Search is not available for this dataset
name stringlengths 2 88 | description stringlengths 31 8.62k | public_tests dict | private_tests dict | solution_type stringclasses 2
values | programming_language stringclasses 5
values | solution stringlengths 1 983k |
|---|---|---|---|---|---|---|
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization("unroll-loops")
using namespace std;
int main() {
cin.tie(NULL);
ios_base::sync_with_stdio(false);
cout.tie(NULL);
long long t;
cin >> t;
while (t--) {
int n;
cin >> n;
char a[n][n]... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.io.*;
import java.util.*;
import static java.lang.Math.*;
import static java.util.Arrays.*;
public class cf1421b {
public static void main(String[] args) throws IOException {
int t = ri();
while (t --> 0) {
int n = ri(), m[][] = new int[n][n];
for (int i = 0; i... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
int n;
vector<string> graph;
set<pair<int, int> > coord;
vector<vector<bool> > mark;
void DFS(pair<int, int> vertex, pair<int, int> parent) {
mark[vertex.first][vertex.second] = 1;
int dx[] = {0, 0, -1, 1};
int dy[] = {-1, 1, 0, 0};
for (int i = 0; i < 4; i++) {
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
int main() {
int t;
std::cin >> t;
while (t--) {
int n, i, j, c = 0;
cin >> n;
char a[n + 1][n + 1];
for (i = 1; i <= n; i++) {
for (j = 1; j <= n; j++) cin >> a[i][j];
}
if (a[n - 1][n] == a[n][n - 1] && a[1][2] == a[2][1]) {
cout ... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | for tc in range(int(input())):
n = int(input())
ans = []
cnt = 0
for x in range(n):
ans.append(list(input()))
if ans[0][1] == '0' and ans[1][0] == '0':
if ans[n - 1][n - 2] == '0':
cnt += 1
if ans[n - 2][n - 1] == '0':
cnt += 1
if cnt == 1:
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | test = int(input())
for _ in range(test):
n = int(input())
mat = []
for i in range(n):
mat.append(list(input()))
a = mat[-1][-2]
b = mat[-2][-2]
c = mat[-2][-1]
use = 0
ans = []
if b=='1':
if a=='1':
ans.append((n, n-1))
if c=='1':
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.util.Arrays;
import java.util.StringTokenizer;
import static java.lang.Math.max;
import static java.lang.Math.min;
import static java.lang.Math.abs;
import static java.lang.Math.floor;
import static java.lang.Math.c... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | t=int(input())
for i in range(0,t):
n=int(input())
sl=0
for j in range(1,n+1):
zc=input()
if(j==n-1):
mb=zc[n-2]
a=zc[n-1]
if(j==n):
b=zc[n-2]
print(2)
if(a==mb): print('%d %d' %(n-1,n))
else: print('%d %d' %(n-2,n))
if(b==mb): prin... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | #dt = {} for i in x: dt[i] = dt.get(i,0)+1
import sys;input = sys.stdin.readline
#import io,os; input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline #for pypy
inp,ip = lambda :int(input()),lambda :[int(w) for w in input().split()]
for _ in range(inp()):
n = inp()
x = [input().strip() for i in range(n)]
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
const long long M = 1e7 + 7;
const double pi = 3.14159265358979323846;
using namespace std;
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
long long t;
cin >> t;
while (t--) {
long long n;
cin >> n;
long long a, b, c, d;
for (long lo... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.IOException;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Scanner;
import java.util.Set;
public c... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
void solve() {
string s[200];
int n;
cin >> n;
for (int i = 0; i < n; i++) {
cin >> s[i];
}
int c = 0;
int a[2][2];
if (s[0][1] != s[1][0]) {
c++;
a[0][0] = 1, a[0][1] = 2;
}
if (s[n - 1][n - 2] != s[n - 2][n - 1]) {
c++;
a[1][0] = n ... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | #===========Template===============
from io import BytesIO, IOBase
import sys,os
inpl=lambda:list(map(int,input().split()))
inpm=lambda:map(int,input().split())
inpi=lambda:int(input())
inp=lambda:input()
rev,ra,l=reversed,range,len
P=print
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, ... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | #import datetime
t=int(input())
for _ in range(t):
n=int(input())
l=[None]*n
for i in range(n):
l[i]=list(input().split())
if(int(l[n-1][0][n-2]) ^ int(l[n-2][0][n-1])):
if(int(l[0][0][1]) ^ int(l[1][0][0])):
print(2)
if(int(l[n-1][0][n-2]) ^ int(l[0][0][1])):
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class main {
static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
public static void main(String[] args) throws IOException {
int t = Integer.parseInt(br.readLine());
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | for _ in range(int(input())):
n = int(input())
grid = [input() for i in range(n)]
a, b, c, d = grid[0][1], grid[1][0], grid[-2][-1], grid[-1][-2]
ans = 0
ans1 = 0
e = []
f = []
if a != '0':e.append((2, 1))
if b != '0':e.append((1, 2))
if c != '1':e.append((n-1, n))
if d != '1':e.append((n, n-1))
if c != '0... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
int main() {
int t;
cin >> t;
for (int i = 0; i < t; i++) {
char p[201][201];
int n;
cin >> n;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n; j++) {
cin >> p[i][j];
}
}
if (p[n - 1][n] == p[n][n - 1] && p[n][n - 1] =... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
void solve() {
int n;
cin >> n;
char arr[n][n];
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) cin >> arr[i][j];
}
char temp = arr[0][1];
vector<pair<int, int>> v;
if (arr[1][0] != temp) v.push_back({1, 2});
if (arr[n - 1][n - 2] == temp) v.... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | T=int(input())
for _ in range(T):
n=int(input())
matrix=[]
for i in range(n):
s=input()
matrix.append(s)
#print(matrix)
if matrix[0][1]!=matrix[1][0] and matrix[n-2][n-1]!=matrix[n-1][n-2]:
lis=[]
if matrix[0][1]=='0':
lis.append([1,2])
else:
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | t=int(input())
for i in range(t):
n=int(input())
grid=[]
for j in range(n):
grid.append(input())
s1=grid[0][1]
s2=grid[1][0]
s3=grid[-2][-1]
s4=grid[-1][-2]
if s1==s2==s3==s4:
print(2)
print(1,2)
print(2,1)
elif s1==s2==s3:
print(1)
pri... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
char a[300][300];
int main() {
std::ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int t, n;
cin >> t;
while (t--) {
bool flag1 = false, flag2 = false, flag3 = false, flag4 = false;
cin >> n;
int cnt = 0;
for (int i = 1; i <= n; i++)
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.*;
import java.lang.*;
import java.io.*;
public class B {
//-----------Integer Array Input----------
static int[] readIntArray(int n){
int arr[]=new int[n];
for(int i=0;i<n;i++)
arr[i]=scan.nextInt();
return arr;
}
//-----------Long Array Input-... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | """
Author: Sagar Pandey
"""
# ---------------------------------------------------Import Libraries---------------------------------------------------
import sys
import os
from math import sqrt, log, log2, log10, gcd, floor, pow, sin, cos, tan, pi, inf, factorial
from copy import copy, deepcopy
from sys import exit... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.io.*;
import java.math.*;
import java.util.*;
// printArr() - prints the array
// intList, doubleList, longList
// nextIntArray
/* stuff you should look for
* int overflow, array bounds
* special cases (n=1?)
* do smth instead of nothing and stay organized
* WRITE STUFF DOWN
*/
public class current ... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | T=int(input())
for Tid in range(T):
n=int(input())
ans=[]
for i in range(n):
a=input()
if i==n-2 and a[n-1]=='0':
ans.append([n-1,n])
if i==n-1 and a[n-2]=='0':
ans.append([n,n-1])
print(len(ans))
for i in range(len(ans)):
print(ans[i][0],ans[... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
int main() {
int t, n;
char a[205][205];
cin >> t;
while (t--) {
cin >> n;
for (int i = 1; i < n + 1; i++) {
for (int j = 1; j < n + 1; j++) cin >> a[i][j];
}
char w, x, y, z;
w = a[1][2];
x = a[2][1];
y = a[n - 1][n];
z = a[n][... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | for u in range(int(input())):
n = int(input())
x = []
for i in range(n):
x.append(input())
l = []
if(x[0][1] == '0' and x[1][0] == '0'):
if(x[n-1][n-2] == '0'):
l.append([n, n-1])
if(x[n-2][n-1] == '0'):
l.append([n-1, n])
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int tc;
cin >> tc;
while (tc--) {
int n;
cin >> n;
vector<vector<char>> arr(n, vector<char>(n));
for (auto& y : arr)
for (auto& x : y) cin >> x;
vector<pair<int, in... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
const long long mod = 1000000007;
const long long inf = 1e18 + 5;
const long long MX = 303030;
int cox[4] = {1, -1, 0, 0};
int coy[4] = {0, 0, 1, -1};
long long gcd(long long a, long long b) { return b ? gcd(b, a % b) : a; }
long long lcm(long long a, long long b) { return ... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.io.*;
import java.util.*;
public class B {
final static long mod = (long)10e9+7;
static void debug(Object...args)
{
System.out.println(Arrays.deepToString(args));
}
public static void main(String[] args) {
InputReader sc = new InputReader(System.in);
PrintWriter... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner s = new Scanner(System.in);
int tc = s.nextInt();
for(int t = 0;t < tc;t++) {
int n = s.nextInt();
char[][] input = new char[n][n];
for(int i = 0;i < n;i++) {
String str = s.next();
for(int j = 0;j <... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include"bits/stdc++.h"
using namespace std;
#define pb push_back
#define eb emplace_back
#define ins insert
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define rep(i,a,b) for(int i=a;i<=b;i++)
#define repr(i,a,b) for(int i=a;i>=b;i--)
#define lb lower_bound
#define ub upper_bound
#ifndef ONLI... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.*;
import java.io.*;
public class EdB {
static long num = 998244353;
public static void main(String[] args) throws Exception{
// TODO Auto-generated method stub
BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
PrintWriter out = new PrintWriter(System.out);
int ... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.*;
import java.lang.*;
import java.io.*;
public class puttingBricks{
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
LinkedList<Integer> listOfElements = new LinkedList<Integer>();
LinkedList<Integer> listOfSizeOfMatrix = new LinkedList<Integer>();
int total = s... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.*;
public class p1421B {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int t = sc.nextInt();
while (t-- > 0) {
int n = sc.nextInt(), c = 0;
String s = "", s2 = "";
char a[][] = new char[n][n];
f... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.io.*;
import java.util.*;
public class Main{
public static void main(String[] args) throws IOException{
int t = sc.nextInt();
while (t-->0){
int n = sc.nextInt();
sc.readLine(0);
int[][] a = new int[n][n];
for (int i = 0; i < n; i++) {
String s =sc.readLine(n);
for (int j = 0; j < ... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.*;
public class p1421B {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int t = sc.nextInt();
while (t-- > 0) {
int n = sc.nextInt(), c = 0;
String s = "", s2 = "";
char a[][] = new char[n][n];
f... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp |
/*
ID: sixathofpain
TASK: friday
LANG: C++
*/
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize ("unroll-loops")
//#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
#de... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
void solve() {
long long n;
cin >> n;
char a[n][n];
for (long long i = 0; i < n; i++) {
for (long long j = 0; j < n; j++) cin >> a[i][j];
}
vector<pair<long long, long long>> v;
if (a[0][1] == a[1][0]) {
if (a[n - 2][n - 1] == a[0][1]) v.push_back({n -... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.*;
public class practicee{
public static void main(String args[]) {
Scanner s=new Scanner(System.in);
int t=s.nextInt();
while(t-->0) {
int n=s.nextInt();
String arr[][]=new String[n+1][n+1];
for(int i=1;i<=n;i++) {
String str=s.next();
for(int j=1;j<=n;j++) {
arr[... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
const long long maxn = 1e3 + 5;
const long long p = 31;
void solve() {
long long n;
cin >> n;
char a[n][n];
for (long long i = (0); i < (n); i++)
for (long long j = (0); j < (n); j++) cin >> a[i][j];
long long x, y, z, w;
x = a[0][1] - '0';
y = a[1][0] - '... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
void solve() {
int n;
scanf("%d", &n);
string s[n + 1];
for (int i = 0; i < n; i++) {
cin >> s[i];
}
char a = s[0][1];
char b = s[1][0];
char c = s[n - 1][n - 2];
char d = s[n - 2][n - 1];
if (a == b && c == d && a != c)
cout << 0 << "\n";
else... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cer... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
void solve() {
long long n;
cin >> n;
char a[n][n];
for (long long i = 0; i < n; i++) {
for (long long j = 0; j < n; j++) cin >> a[i][j];
}
vector<pair<long long, long long>> v;
if (a[0][1] == a[1][0]) {
if (a[n - 2][n - 1] == a[0][1]) v.push_back({n -... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(0);
int t;
cin >> t;
while (t--) {
int n, count = 0, x1 = 0, y1 = 0, x2 = 0, y2 = 0;
cin >> n;
string grid[n];
for (auto &i : grid) cin >> i;
if (grid[0][1] == grid[n - 2][n - 1] || grid[1][0] == grid[n - 2]... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | """
Author - Satwik Tiwari .
18th Oct , 2020 - Sunday
"""
#===============================================================================================
#importing some useful libraries.
from __future__ import division, print_function
from fractions import Fraction
import sys
import os
from io import Byte... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | t = int(input())
for _ in range(t):
n = int(input())
arr = []
for _ in range(n):
arr.append(input())
topright = int(arr[0][1])
topbtm = int(arr[1][0])
btmup = int(arr[-2][-1])
btmleft = int(arr[-1][-2])
if topright == 0 and topbtm == 0:
if btmup == 0 and btmleft == 0:
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python2 | import sys
if sys.subversion[0] == "PyPy":
import io, atexit
sys.stdout = io.BytesIO()
atexit.register(lambda: sys.__stdout__.write(sys.stdout.getvalue()))
sys.stdin = io.BytesIO(sys.stdin.read())
input = lambda: sys.stdin.readline().rstrip()
RS = raw_input
RI = lambda x=int: map(x,RS().split(... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java |
//package cf;
import java.io.*;
import java.util.*;
import java.util.jar.JarOutputStream;
public class Temp_Class {
static int p=1000000007;
static class pr
{
int x;
int y;
public pr(int x, int y) {
this.x = x;
this.y = y;
}
}
public static void ma... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
const int N = 200 + 5;
int t, n;
char arr[N][N];
vector<pair<int, int>> ans;
void solve() {
ans.clear();
cin >> n;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n; j++) {
cin >> arr[i][j];
}
}
int zerocnt = 0, onecnt = 0, zerocnt2 = 0, onecnt2 ... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.io.*;
import java.util.StringTokenizer;
public class Main {
public static void main(String[] args) {
InputStream inputStream = System.in;
OutputStream outputStream = System.out;
InputReader in = new InputReader(inputStream);
PrintWriter out = new PrintWriter(outputStream... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | #dt = {} for i in x: dt[i] = dt.get(i,0)+1
import sys;input = sys.stdin.readline
#import io,os; input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline #for pypy
inp,ip = lambda :int(input()),lambda :[int(w) for w in input().split()]
for _ in range(inp()):
n = inp()
x = [input().strip() for i in range(n)]
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
public class Bricks
{
public static void main (String[] args) throws java.lang.Exception
{
// your code goes here
Scanner sc=new Scanner(System.in);
int t=0;
if(sc.hasNextInt()==tru... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
const int maxn = 100001, inf = 2147483647;
const long long mod = 1 ? 998244353 : 1000000007, linf = 9223372036854775807;
const double pi = acos(-1);
inline long long mi(long long a, long long b) {
a %= mod;
long long u = 1;
while (b) {
if (b & 1) u = u * a % mod;
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | for _ in range(int(input())):
a = []
for i in range(int(input())):
a.append(input())
if a[0][1] == "1" and a[1][0] == "1" and a[-1][-2] == "1" and a[-2][-1] == "1" or a[0][1] == "0" and a[1][0] == '0' and a[-1][-2] == "0" and a[-2][-1] == "0":
print(2)
print(1, 2)
print(2, 1)... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java |
import java.util.Scanner;
/**
* @author 杨启仁 2020/11/25 21:57
*/
public class Invert {
public static void main(String[] args) {
Scanner sc =new Scanner(System.in);
int t=sc.nextInt();
while(t--!=0){
int n=sc.nextInt();
String [] str=new String[n];
for... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
int main() {
int t;
cin >> t;
for (int i = 0; i < t; i++) {
int n;
cin >> n;
vector<vector<char>> a(n, vector<char>(n));
vector<int> ans1;
vector<int> ans2;
int res = 0;
for (int x = 0; x < n; x++)
for (int y = 0; y < n; y++) cin >> a... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
const long long MAX = 1e18 + 1;
const double pi = 3.1415926535897932384626433832;
const long long M = 1e9 + 7;
long long bis(long long a[], long long l, long long r, long long x) {
while (l <= r) {
long long m = l + (r - l) / 2;
if (a... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | t=int(input())
for _ in range(t):
n=int(input())
mat = []
for i in range(n):
s=str(input())
mat.append(s)
vis0={}
vis1={}
q = []
##zero
if mat[0][1]=='0':
q.append((0,1))
if mat[1][0]=='0':
q.append((1,0))
pq=[[-1,0],[1,0],[0,1],[0,-1]]
while l... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
long long gcd(long long a, long long b) { return b ? gcd(b, a % b) : a; }
int prim(long long n) {
long long i;
if (n % 2 == 0 && n != 2) return 0;
for (i = 3; i <= sqrt(n); i += 2)
if (n % i == 0) return 0;
return 1;
}
bool srt(long long *a, long long *b) {
if... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | def main():
for i in range(int(input())):
n = int(input())
matx = []
for i in range(n):
x = list(input())
matx.append(x)
x = matx[n-2][n-1]
y = matx[n-1][n-2]
a = matx[0][1]
b = matx[1][0]
p = a+b
q = x+y
if x ==... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
int main() {
int t;
int n;
int list[201][201];
cin >> t;
while (t > 0) {
t--;
cin >> n;
char qwe;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if ((i == 0 && j == 0) || (i == (n - 1) && j == (n - 1))) {
cin >>... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int t, n;
cin >> t;
while (t--) {
cin >> n;
string s[n];
for (int i = 0; i < n; i++) {
cin >> s[i];
}
if (s[0][1] == s[1][0]) {
if (s[n - 1][n - 2] == s[n - 2... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | t=int(input())
for _ in range(t):
n=int(input())
f=[]
for i in range(n):
f.append(str(input()))
a=f[1][0]
b=f[0][1]
c=f[-1][-2]
d=f[-2][-1]
if a==b:
if c==d:
if a!=c:
print(0)
else:
print(2)
pri... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | from collections import defaultdict
t = int(input())
for _ in range(t):
n = int(input())
grid = []
for i in range(n):
grid.append([i for i in input()])
if grid[0][1] == grid[1][0]:
ans = []
if grid[0][1] == '0':
if grid[n-1][n-2] == '0':
ans.append([n... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
template <class T, typename A = allocator<T>>
class Vector : public vector<T, A> {
public:
using vector<T, A>::vector;
using typename vector<T, A>::size_type;
using typename vector<T, A>::value_type;
using typename vector<T, A>::allocator_type;
Vector& operator()... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.io.PrintWriter;
import java.util.*;
public class Main {
void solve(Scanner in, PrintWriter out) {
int t = in.nextInt();
for (int j = 0; j < t; ++j) {
int n = in.nextInt();
int a = -1, b = -1, c = -1, d = -1;
for (int i = 0; i < n; ++i) {
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
const int MAX_N = 1e5 + 5;
const int MAX_L = 20;
const long long MOD = 1e9 + 7;
const long long INF = 1e9 + 7;
void solve() {
int n;
cin >> n;
vector<vector<char>> c(n, vector<char>(n));
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) cin >> c[i][j];
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | for _ in range(int(input())):
n = int(input())
arr = []
for i in range(n):
arr.append([ch for ch in input()])
# print(arr)
count = 0
if arr[0][1] == arr[n-2][n-1]:
count += 1
if arr[1][0] == arr[n-1][n-2]:
count += 1
print(count)
if arr[0][1] == arr[n-2][n-1]:... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include<bits/stdc++.h>
using namespace std;
#define gc getchar_unlocked
#define fo(i,n) for(i=0;i<n;i++)
#define Fo(i,k,n) for(i=k;k<n?i<n:i>n;k<n?i+=1:i-=1)
#define ll long long
#define si(x) scanf("%d",&x)
#define sl(n) scanf("%lld",&x)
#define ss(s) scanf("%s",s)
#define pi(x) printf("%d\n",x)
#define pl(x) printf(... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.*;
import java.io.*;
import java.math.*;
public class B
{
static class Coord{
int x, y;
public Coord(int x, int y){
this.x = x;
this.y = y;
}
}
static boolean isValid(int x, int y, int n, boolean visited[][],
char arr[][], char req... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using ull = unsigned long long;
using ll = long long;
using ld = long double;
using namespace std;
const ll mod = 1e9 + 7;
const int N = 3e5 + 5;
struct custom_hash {
static uint64_t splitmix64(uint64_t x) {
x += 0x9e3779b97f4a7c15;
x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
x = (x... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.List;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Deque;
import java.util.HashMap;
import java.ut... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | from collections import deque, defaultdict
for _ in range(int(input())):
n = int(input())
mat = []
for i in range(n):
a = list(input().strip())
mat.append(a)
dx = [1,-1,0,0]
dy = [0,0,-1,1]
def bfs(sign):
q = deque()
q.append([0,0])
vis = {(0,0):1}
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | for _ in range(int(input())):
n=int(input())
a=[[-1]*n for z in range(n)]
for z in range(n):
a[z]=list(input())
ansl=[]
if a[0][1]==a[1][0]:
v=a[0][1]
if a[-1][-2]==v:
ansl.append([n,n-1])
if a[-2][-1]==v:
ansl.append([n-1,n])
else:
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | #!/usr/bin/env pypy3
def ans(N, grid):
a = grid[1][2]
b = grid[2][1]
c = grid[N-2][N-1]
d = grid[N-1][N-2]
a = int(a)
b = int(b)
c = int(c)
d = int(d)
def flipa():
print(2, 3)
def flipb():
print(3, 2)
def flipc():
print(N-1, N)
def flipd():
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python2 | import sys
if sys.subversion[0] == "PyPy":
import io, atexit
sys.stdout = io.BytesIO()
atexit.register(lambda: sys.__stdout__.write(sys.stdout.getvalue()))
sys.stdin = io.BytesIO(sys.stdin.read())
input = lambda: sys.stdin.readline().rstrip()
RS = raw_input
RI = lambda x=int: map(x,RS().split(... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | for i in range(int(input())):
n=int(input())
p=[]
for i in range(n):
x=input()
p.append(x)
if p[-1][-2]==p[-2][-1]:
if p[-2][-2]==p[-1][-2]:
print(1)
print(n-1,n-1)
elif p[-2][-2]!=p[-2][-1]:
if p[-1][-2]==p[-1][-3]:
pr... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.*;
public class A {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
StringBuilder sb = new StringBuilder();
int testCases = sc.nextInt();
for (int t = 0; t < testCases; t++) {
int n = sc.nextInt();
char c[][] =... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python2 | t = input()
for i in xrange(t):
n = input()
grid = []
for j in xrange(n):
a = raw_input()
grid.append(a)
a, b = grid[0][1], grid[1][0]
c, d = grid[n-1][n-2], grid[n-2][n-1]
if a == b:
if c == d:
if b != c:
print 0
if b == c:
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | test_count = int(input())
tests = []
for _ in range(test_count):
x = int(input())
y = []
for _ in range(x):
y.append(list(input()))
tests.append((x, y))
for test in tests:
size, grid = test
start_right = int(grid[0][1])
start_down = int(grid[1][0])
end_up = int(grid[size - 2]... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python2 | for _ in range(input()):
n=input()
l=[]
for i in range(n):
k=raw_input()
l.append(k)
sq1=l[0][1]
sq2=l[1][0]
sq3=l[n-1][n-2]
sq4=l[n-2][n-1]
switch=[]
if sq1==sq2:
if sq1==sq3:
switch.append([n,n-1])
if sq1==sq4:
switch.append([... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int tt;
cin >> tt;
while (tt--) {
int n;
cin >> n;
vector<string> a(n);
for (string &s : a) {
cin >> s;
}
vector<pair<int, int>> pos = {
{1,... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
double EPS = 1e-9;
int INF = 1000000005;
long long INFF = 1000000000000000005LL;
double PI = acos(-1);
int dirx[8] = {-1, 0, 0, 1, -1, -1, 1, 1};
int diry[8] = {0, 1, -1, 0, -1, 1, -1, 1};
void solve() {
int n;
cin >> n;
char a[n][n];
for (int i = 0; i < n; i++)
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | t=int(input())
for you in range(t):
n=int(input())
l=[]
for i in range(n):
s=input()
l.append(s)
if(l[0][1]==l[1][0]):
z=l[0][1]
lo=[]
if(l[-1][-2]==z):
lo.append((n,n-1))
if(l[-2][-1]==z):
lo.append((n-1,n))
print(len(lo))
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | def main():
for i in range(int(input())):
n=int(input())
matx=[]
for i in range(n):
x=list(input())
matx.append(x)
x=matx[n-2][n-1]
y = matx[n-1][n-2]
a=matx[0][1]
b=matx[1][0]
p=a+b
q=x+y
if x==y and a==b and x... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 |
t=int(input())
for _ in range(t):
n = int(input())
l=[]
i=int(0)
for i in range(n):
l.append(input())
x1=l[0][1]
x2=l[1][0]
y1,y2 = l[-2][-1],l[-1][-2]
# print(x1)
# print(x2)
# print(y1)
# print(y2)
if(x1==x2==y1==y2):
print("2")
print("1 2")
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | import sys, collections
def bfs(num):
q = collections.deque()
q.append((0,0))
check[0][0] = True
while q:
x, y = q.popleft()
for i in range(4):
nx, ny = x + dx[i], y + dy[i]
if 0 <= nx < n and 0 <= ny < n:
if arr[nx][ny] == num or arr[nx][ny] == '... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.ArrayList;
import java.util.Arrays;
import java.util.Scanner;
import java.util.LinkedList;
public class Competition {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
int num = Integer.parseInt(scan.nextLine());
for (int i = 0; i < num; i++) {... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | t = int(input())
for q in range(t):
a = int(input())
arr = []
for w in range(a):
arr.append(list(input()))
x1 = int(arr[0][1])
x2 = int(arr[1][0])
x3 = int(arr[a - 2][a - 1])
x4 = int(arr[a - 1][a - 2])
if x1 == x2:
if x3 == x4:
if x1 == x3:
pr... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | # -*- coding: utf-8 -*-
"""
Created on Sat Sep 19 16:36:57 2020
@author: lakne
"""
t = int(input())
answers = []
for _ in range(t):
n = int(input())
start = []
finish = []
answer = []
grids = []
c = 0
for i in range(n):
grid = input()
grids.append(grid)
start.append(grid... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.math.BigInteger;
import java.sql.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | test_case_num = int(input())
for i in range(test_case_num):
a = int(input())
list = []
for k in range(a):
list.append(input())
x= list[0][1]
y= list[1][0]
z = list[a-1][a-2]
p = list[a-2][a-1]
if x=='0' and y=='0' and z=='0' and p=='1': #0001
print(1)
print(a, a... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
#pragma GCC push_options
#pragma GCC optimize("unroll-loops")
int dr[] = {0, 1, -1, 0};
int dc[] = {1, 0, 0, -1};
bool safe(int r, int c, int n) {
if (r < 0 || c < 0 || r > n - 1 || c > n - 1) {
return 0;
}
return 1;
}
void solve(vector<string> &a, char index, int... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int t;
cin >> t;
int i, j;
int n;
int s = 0;
int a1, b1, a2, b2;
char c[200][200];
while (t--) {
a1 = a2 = b2 = b1 = 0;
s = 0;
int f = 1;
cin >> n;
for (int i = 0; i < n; i++) {
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | import math
t = int(input())
for _ in range(t):
n = int(input())
li = []
for i in range(n):
ali = input()
ali = list(ali)
li.append(ali)
# print(li)
q = int(li[0][1])
w = int(li[1][0])
e = int(li[n-2][n-1])
r = int(li[n-1][n-2])
cnt = 0
ans = []
if(q =... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | java | import java.util.*;
public class Problem1
{
public static void main(String[] args)
{
Scanner sc=new Scanner(System.in);
int t=sc.nextInt();
while(t-->0)
{
int n=sc.nextInt();
int[][] matrix=new int[n][n];
for(int i=0;i<n;i++)
{
... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | cpp | #include <bits/stdc++.h>
using namespace std;
void solve() {
int n, i, c1, c2, c3, c4;
cin >> n;
string s[n];
for (i = 0; i < n; i++) cin >> s[i];
c1 = s[0][1];
c2 = s[1][0];
c3 = s[n - 2][n - 1];
c4 = s[n - 1][n - 2];
if (c1 == c2 && c3 == c4) {
if (c1 == c3) {
cout << 2 << endl << n - 1 <<... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | for __ in range(int(input())):
n = int(input())
ar = []
for i in range(n):
ar.append(list(input()))
ans = []
if ar[0][1] != ar[n - 2][n - 1]:
ans.append([n, n - 1])
if ar[1][0] != ar[n - 1][n - 2]:
ans.append([n - 1, n])
print(len(ans))
for elem in ans:
pr... |
1421_B. Putting Bricks in the Wall | Pink Floyd are pulling a prank on Roger Waters. They know he doesn't like [walls](https://www.youtube.com/watch?v=YR5ApYxkU-U), he wants to be able to walk freely, so they are blocking him from exiting his room which can be seen as a grid.
Roger Waters has a square grid of size n× n and he wants to traverse his grid f... | {
"input": [
"3\n4\nS010\n0001\n1000\n111F\n3\nS10\n101\n01F\n5\nS0101\n00000\n01111\n11111\n0001F\n"
],
"output": [
"1\n3 4\n2\n1 2\n2 1\n0\n"
]
} | {
"input": [
"1\n3\nS01\n111\n00F\n",
"1\n5\nS0000\n00000\n00000\n00000\n0000F\n",
"1\n3\nS10\n010\n11F\n",
"1\n3\nS11\n011\n01F\n",
"1\n3\nS10\n010\n01F\n",
"1\n10\nS000000000\n0000000000\n0000000000\n0000000000\n0000001000\n0000000101\n0000000000\n0000000000\n0000000000\n000000000F\n"
],
... | IN-CORRECT | python3 | for _ in range(int(input())):
n = int(input())
g = [input() for _ in range(n)]
if (g[0][1] + g[1][0] + g[-1][-2] + g[-2][-1]).count('0') in (0, 4):
print(2)
print(1, 2)
print(2, 1)
continue
if (g[0][1] + g[1][0] + g[-1][-2] + g[-2][-1]).count('0') == 2:
if g[0][... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.