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112
description
stringlengths
29
13k
source
int64
1
7
difficulty
int64
0
25
solution
stringlengths
7
983k
language
stringclasses
4 values
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#include <bits/stdc++.h> using ll = long long; using namespace std; using pii = pair<int, int>; const int N = 2e5 + 10; int a[N]; int main() { int t; scanf("%d", &t); while (t--) { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &a[i]); int mi; for (int i = n; i > 0; i--) { ...
CPP
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#!/usr/bin/env python import os import sys from io import BytesIO, IOBase import threading from bisect import bisect_right from math import gcd,log from collections import Counter def main(): for _ in range(int(input())): n=int(input()) arr=list(map(int,input().split())) i=n-2 whi...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import os import sys from io import BytesIO, IOBase def main(): import math t=int(input()) while(t): t-=1 n=int(input())-1 li=[int(i) for i in input().split()] prev=-math.inf while(n>=0 and li[n]>=prev): prev=li[n] n-=1 while(n>=0 and li[n]<=prev): prev=li[n] n-=1 print(n+1) # region fasti...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.util.*; public class hai { public static boolean ispossible(int[] a,int k) { int low = k+1,high=a.length-1; boolean flag = false; int prev=-1; while(low<=high) { int cure =0; if(a[low]<a[high]) { cure=a[low]; low++; }else if(a[low]>a[high]) { cure=a[high]; high...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
# possibilities = [] # for a in range(1, 10): # for b in range(1, 10): # if set([a, 15-a-b, b, 5+b-a, 5, 5+a-b, 10-b, a+b-5, 10-a]) == set(range(1, 10)): # possibilities.append([a, 15-a-b, b, # 5+b-a, 5, 5+a-b, # 10-b, a+b-5, 10...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
def solve(n,d): big = float('inf') small = float('-inf') if n < 3: return 0 peak = -1 for i in range(n - 1,0,-1): if d[i] > d[i - 1]: peak = i break # print(peak) ans = 0 if peak > -1: for i in range(peak - 1,0,-1): if d[i] < d[...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#!/usr/bin/env python from __future__ import division, print_function import itertools, os, sys, threading from io import BytesIO, IOBase if sys.version_info[0] < 3: from __builtin__ import xrange as range from future_builtins import ascii, filter, hex, map, oct, zip # region fastio BUFSIZE = 8192 class ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t = int(input()) for i in range(t): n = int(input()) a = list(map(int, input().split())) ans = 0 fl = 0 a.reverse() for j in range(n-1): if a[j+1] < a[j]: fl = 1 if fl == 1 and a[j+1]>a[j]: ans = n-(j+1) break print (ans)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n = int(input()) l = list(map(int, input().split())) if sorted(l) == l: print(0) continue for i in range(n-2, -1, -1): if l[i] < l[i+1]: break for j in range(i, -1, -1): if l[j] < l[j-1]: break if j == -1: ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for t in range(int(input())): n = int(input()) a = list(map(int, input().split())) l = n-2 ans = 0 while a[l] >= a[l+1] and l >= 0: l -= 1 ans += 1 while a[l] <= a[l+1] and l >= 0: l -= 1 ans += 1 print(n - ans - 1)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for t in range(int(input())): n = int(input()) A = list(map(int,input().split())) i = n-1 while i>0 and A[i]<=A[i-1]: i-=1 while i>0 and A[i]>=A[i-1]: i-=1 print(i)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t=int(input()) for i in range(t): n=int(input()) a=list(map(int,input().split())) i=len(a)-1 flag=0 max=a[i] while i>=0: if a[i]<max: break max=a[i] i=i-1 if (i!=-1): while(i>=0): if a[i]>a[i+1]: break i=i-1 ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
// package Round656; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; import java.util.*; public class typeC { public static void main(String[] args) { FastReader s = new FastReader(); int T = s.nextInt(); while(T-->0) { int n = s....
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
# from debug import debug import sys;input = sys.stdin.readline t = int(input()) for _ in range(t): n = int(input()) lis = list(map(int, input().split())) i = n-1 while i>0 and lis[i-1]>=lis[i]: i-=1 i-=1 while i>=0 and lis[i]<=lis[i+1]: i-=1 print(i+1)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
try: t = int(input()) for _ in range(t): n = int(input()) a = [int(x) for x in input().split()] pos = n-1 while(pos>0 and a[pos-1]>=a[pos]): pos-=1 while(pos>0 and a[pos-1]<=a[pos]): pos-=1 print(pos) except: ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import sys t = int(input()) while t: n = int(input()) - 1 s = list(map(int, sys.stdin.readline().split())) rs = s.copy() rs.reverse() i = 0 while i < n: if rs[i] <= rs[i+1]: i += 1 else: break j = i while i < n: if rs[i] >= rs[i+1]: ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t = int(input()) while (t>0): n = int(input()) a=list(map(int,input().split())) #print(a) flag =0 i=n-1 while i>0: if (a[i]-a[i-1] <0): i = i-1 while (i>0) and (a[i]-a[i-1]<=0): i = i-1 while (i>0) and (a[i]-a[i-1]>=0): i = i-1 flag =1 print(i) break elif (a[i]- a[i-1] >0): i = i-...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
def do_good(n: int, arr: list): max_num = 2 * (10 ** 5) len_good_arr = 1 for i in range(n-2, -1, -1): if arr[i] > max_num: break if arr[i] < arr[i+1]: max_num = arr[i] len_good_arr += 1 return n - len_good_arr t = int(input()) for i in range(t): n ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import sys input = sys.stdin.readline t = int(input()) for _ in range(t): n = int(input()) a = list(map(int, input().split())) stat = 0 idx = 0 for i in range(n-2, -1, -1): if a[i]<a[i+1]: stat = 1 elif stat==1 and a[i]>a[i+1]: idx = i+1 break ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for i in range(int(input())): n=int(input()) l=list(map(int,input().split())) if(l==sorted(l)): print(0) else: p=n-1 while(p and l[p]<=l[p-1]): p=p-1; while(p and l[p]>=l[p-1]): p=p-1 print(p)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import sys input = sys.stdin.readline n = int(input()) for _ in range(n): m = int(input()) vals = list(map(int, input().split())) r = len(vals) - 1 while r > 0 and vals[r - 1] >= vals[r]: r -= 1 while r > 0 and vals[r - 1] <= vals[r]: r -= 1 print(r)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
n = int(raw_input()) for _ in xrange(n): x = int(raw_input()) ar = map(int, raw_input().split()) crescer = True diminuir = False ans = 0 for k in xrange(x-2, -1, -1): if diminuir and ar[k+1] < ar[k]: ans = k + 1 break if ar[k+1] > ar[k]: ...
PYTHON
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.io.*; import java.math.*; import java.util.*; public class Main { public static void main(String[] args) { FastScanner sc = new FastScanner(); PrintWriter pw = new PrintWriter(System.out); int Q = sc.ni(); for (int q = 0; q < Q; q++) { int N = sc.ni(); int[] nums = new int[N]; for (in...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import sys def readStr(): return sys.stdin.readline().rstrip() def readInts(): return list(map(int, readStr().split(' '))) def main(n, a): if n <= 1: return 0 direction = 'increase' for i in range(n-1): if direction == 'increase': if a[-i-2] >= a[-i-1]: ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
from time import time from random import randint #file = open("C:/Users/marko/Google Drive/Programmering/Python/put.txt", "r") def isGood(arr): l = 0 r = len(arr)-1 while l < r: lowest = min(arr[l], arr[r]) if (arr[l+1] <= arr[r-1] and arr[l+1] >= lowest): l += 1 elif ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.util.*; import java.lang.*; import java.io.*; public class GFG { public static void main(String[] args) throws Exception { // TODO Auto-generated method stub InputReader s = new InputReader(System.in); PrintWriter p = new PrintWriter(System.out); int w=s.nextInt(); while(w-->0) { int n=s.next...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
def solve(A, n): pos = n - 1 while pos > 0 and A[pos - 1] >= A[pos]: pos -= 1 while pos > 0 and A[pos - 1] <= A[pos]: pos -= 1 return pos res = [] t = int(input()) while t: n = int(input()) arr = input().split(' ') A = [int(n) for n in arr] res.append(solve(A, n)) t -= 1 for r in r...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#!/usr/bin/env python3 ''' Author: andyli Time: 2020-07-17 22:42:46 ''' import os from io import BytesIO, IOBase import sys def main(): for _ in range(int(input())): n = int(input()) a = list(map(int,input().split())) mx = n for i in range(n-2,-1,-1): if a[i] < a[i+1...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
# ------------------- fast io -------------------- import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
from time import time from random import randint #file = open("C:/Users/marko/Google Drive/Programmering/Python/put.txt", "r") def isGood(arr): l = 0 r = len(arr)-1 while l < r: lowest = min(arr[l], arr[r]) if (arr[l+1] <= arr[r-1] and arr[l+1] >= lowest): l += 1 elif ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n=int(input()) a=list(map(int,input().split())) i=0 j=n-1 p=0 k=[] while i<n-1 and j>i: if a[i]>=a[j]: if len(k)==0 or a[j]>=k[-1] : k.append(a[j]) j-=1 elif a[j]<k[-1]: k=[] ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import sys import math import bisect from sys import stdin, stdout from math import gcd, floor, sqrt, log from collections import defaultdict as dd from bisect import bisect_left as bl, bisect_right as br from collections import Counter #sys.setrecursionlimit(100000000) inp = lambda: int(input()) strng = lambda: inpu...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import sys t = int(input()) while t!=0: t-=1 n = int(input()) arr = list(map(int,input().split(' '))) pos = n-1 while pos>0 and arr[pos]<=arr[pos-1]: pos-=1 while pos>0 and arr[pos]>=arr[pos-1]: pos-=1 print(pos)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n = int(input()) arr = [int(f) for f in input().split()] pos = n-1 while(pos>0) and arr[pos-1]>=arr[pos]: pos-=1 while(pos>0) and arr[pos-1]<=arr[pos]: pos-=1 print(pos)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class test { public static class MyScanner { BufferedReader br; StringTokenizer st; public MyScanner() { br = new BufferedReader(new InputStreamReader(Syste...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t = int(input()) for k in range(t): n = int(input()) *a, = map(int, input().split()) ans = 0 pref_right = [0] * (n + 1) pref_left = [a[0]] + [0] * n for i in range(n - 1, -1, -1): pref_right[i] = max(pref_right[i + 1], a[i]) for i in range(1, n): pref_left[i] = max(pref_l...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#include <bits/stdc++.h> using namespace std; void solve() { int n; scanf("%d", &n); int maxi = 0; int arr[n]; for (int i = 0; i < n; i++) { scanf("%d", &arr[i]); } int i; for (i = n - 1; i > 0 && arr[i - 1] >= arr[i]; i--) ; for (; i > 0 && arr[i - 1] <= arr[i]; i--) ; printf("%d\n", i)...
CPP
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#include <bits/stdc++.h> const int maxn = 200005; int a[maxn]; int main(void) { int t, n; scanf("%d", &t); while (t--) { scanf("%d", &n); for (register int i = 1; i <= n; ++i) scanf("%d", &a[i]); register int i = n - 1; while (1 <= i && a[i + 1] <= a[i]) --i; while (1 <= i && a[i] <= a[i + 1])...
CPP
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
n = int(input()) while n: n -= 1 z = int(input()) count = z - 1 lst = list(map(int, input().split())) while count> 0 and lst[count-1]>=lst[count]: count-=1 while count > 0 and lst[count - 1] <= lst[count]: count -= 1 print(count)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t=int(input()) for _ in range(t): n=int(input()) arr=[int(x) for x in input().split()] if(n<=2): print(0) continue greatLeft=[-1 for i in range(n)] greatRight=[-1 for i in range(n)] stack=[] for i in range(n): length=len(stack) while(length>0 and arr[stack[length-1]]<arr[i]): greatRi...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#Consistency is the key. #code by: amrit2000 from sys import stdin,stdout import math input=stdin.readline def print(x='',y='',end='\n'): if y=='': stdout.write(str(x)+end) else: stdout.write(str(x)+' '+str(y)+end) def solve(): n=int(input()) l=list(map(int,input().split())) idx=n-1...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
try: t=int(input()) for v in range(t): n=int(input()) a=list(map(int,input().split())) i=len(a)-1 maximum=a[-1] while(i>=0): if (a[i]<maximum): break; maximum=a[i] i-=1 #print("max=",maximum) if (i==-1): ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import math from collections import defaultdict,deque from bisect import bisect_left,bisect_right from sys import stdin def mp():return map(int,stdin.readline().split()) def ml():return list(map(int,stdin.readline().split())) for _ in range(int(input())): n=int(input()) a=ml() mx1=[0]*n mx2=[0]*(n...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
ii = lambda: int(input()) t=ii() for h in range(t): n=ii() a=list(map(int, input().split())) c1 = 0 i = (n - 1) while(i > 0): if a[i] <= a[i - 1]: c1 = c1 + 1 i = i - 1 else: break if i== 0: c1 += 1 elif(i!=0): j = i ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t = int(input()) for _ in range(t): n = int(input()) arr = list(map(int,input().split())) i = n-1 while arr[i-1]>=arr[i] and i>0: i-=1 while arr[i-1]<=arr[i] and i>0: i-=1 print(i)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writabl...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
from sys import stdin def readline(): return stdin.readline() tests = int(readline()) def solve(n, a): f = a[n - 1] > a[n - 2] k = 0 j = 1 if f else 2 for i in reversed(range(0, n)): if (f and a[i] < a[i - 1]) or (not f and a[i] > a[i - 1]): k += 1 f = not f ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.util.*; public class prob_C_cf656 { public static void main(String[] args) { Scanner sc=new Scanner(System.in); int t=sc.nextInt(); int n,j=0; while((t--)>0) { n=sc.nextInt(); int[] arr=new int[n]; for(int i=0;i<n;i++) { arr[i]=sc.nextInt(); } if(n<2) { System.out.println("...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#include <bits/stdc++.h> using namespace std; const double pi = 3.14159265358979323846; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long t, i, j; cin >> t; while (t--) { long long n; cin >> n; vector<long long> a(2 * n); for (i = 0; i < n; i++) cin >> a[i]; ...
CPP
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import bisect import decimal from decimal import Decimal import os from collections import Counter import bisect from collections import defaultdict import math import random import heapq from math import sqrt import sys from functools import reduce, cmp_to_key from collections import deque import threading from itert...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#headers import sys import os from collections import Counter, deque, defaultdict import itertools import math import io #inputs def ii():return int(input()) def li():return list(map(int,input().split())) def mi():return map(int,input().split()) #fns def gcd(x, y): # math.gcd is slower """ returns greatest commo...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writa...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import sys import math import heapq import bisect from collections import Counter from collections import defaultdict from io import BytesIO, IOBase import string class FastIO(IOBase): newlines = 0 def __init__(self, file): import os self.os = os self._fd = file.fileno() self....
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n=int(input()) a=list(map(int,input().split())) if n ==1: print(0) continue for i in range(n-1,0,-1): if a[i-1]<a[i]:break i-=1 while i>0: if a[i-1]>a[i]:break i-=1 print(i)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import sys import math import bisect from sys import stdin, stdout from math import gcd, floor, sqrt, log from collections import defaultdict from bisect import bisect_left as bl, bisect_right as br from collections import Counter ip = lambda : int(stdin.readline()) inp = lambda: map(int,stdin.readline().split()) t =...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
from sys import stdin input = stdin.readline for _ in range(int(input())): n = int(input()) a = list(map(int,input().split())) f = 0 ans = 0 for i in range(n-2, -1, -1): if f==0 and a[i]<a[i+1]: f = 1 elif f==1 and a[i]>a[i+1]: ans = i + 1 br...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t = int(input()) for test in range(t): n = int(input()) arr = [int(x) for x in input().split()] inc = True dec = False done = False for i in range(n-1, 0, -1): if inc and arr[i-1]<arr[i]: inc=False dec=True if dec and arr[i-1]>arr[i]: print(i) ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t=int(input()) for _ in range(t): n=int(input()) li=list(map(int,input().split())) c=1 for i in range(len(li)-1,0,-1): if(li[i]<=li[i-1]): c=c+1 else: break if(c==len(li)): print(0) continue li=li[0:len(li)-c] p=0 for i in...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.util.*; public class MyClass { public static void main(String args[]) { Scanner in=new Scanner(System.in); int t=in.nextInt(); for(;t>0;t--){ int n=in.nextInt(); int arr[]=new int[n]; for(int i=0;i<n;i++) arr[i]=in.nextInt(); int...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n=int(input()) a=list(map(int,input().split())) i=n-2 incele=1 while i>=0: if a[i]<=a[i+1]: incele+=1 else: break i-=1 decele=1 i=n-2 while(i>=0): if a[i]>=a[i+1]: decele+=1 else: ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import os import sys from io import BytesIO, IOBase # from collections import defaultdict as dd # from collections import deque as dq # import itertools as it # from math import sqrt, log, log2 # from fractions import Fraction def main(): t = int(input()) for _ in range(t): n = int(input()) #x,...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.util.Scanner; public class Main { public static void main(String[] args) { // write your code here Scanner scan = new Scanner(System.in); int t= scan.nextInt(); while (t-->0) { int n= scan.nextInt(); int[] array= new int[n]; for (int...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for t in range(int(input())): n = int(input()) arr = list(map(int, input().split())) ans = n-1 while ans > 0 and arr[ans-1] >= arr[ans]: ans-=1 while ans > 0 and arr[ans-1] <= arr[ans]: ans-=1 print(ans)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class scratch { public static void main(String[] args) { FastReader reader = new FastReader(); PrintWriter out = new PrintWriter(System.out); int t =...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.io.BufferedOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.InputMismatchException; public class Round656C { public static void solve() { int t = s.nextInt(); while(t-- > 0) { int n = s.nextInt(); int[...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
T = int(input()) for _ in range(T): N = int(input()) a = list(map(int, input().split())) i = N - 1 while i > 0: if a[i] > a[i-1]: break i -= 1 while i > 0: if a[i] < a[i-1]: break i -= 1 print(i)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.io.*; import java.util.*; public class Main { static Scanner sc = new Scanner(System.in); static PrintWriter out = new PrintWriter(System.out); public static void main(String[] args) throws Exception { int t = sc.nextInt(); while(t-- > 0) { int n = sc.nextInt(), arr[] = new int[n]; for(int i ...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n = int(input()) a = list(map(int,input().split())) q=n-1 while a[q]<=a[q-1] and q!=0: q-=1 #if q==0: # print(q); while a[q]>=a[q-1] and q!=0: q-=1 #if q==0: # print(q); print(q)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.util.ArrayList; import java.util.Scanner; public class C { public static void main(String[] args) { Scanner input = new Scanner(System.in); int num = input.nextInt(); for(int i = 0; i < num; i++) { int n = input.nextInt(); ArrayList<Integer> arr = new ArrayList<>(); for(int j = 0; j < n;...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n=int(input()) l=list(map(int,input().split())) l.reverse() flag=-1 count=1 if n==1: print(0) continue for i in range(1,n): # print(flag) if l[i]==l[i-1]: count+=1 continue elif l[i]>l[i-1] and fla...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t = int(input()) n_list = [0 for i in range(t)] array_list = [[] for i in range(t)] for i in range(t): n_list[i] = int(input()) temp = input() array_list[i] = temp.split() for j in range(len(array_list[i])): array_list[i][j] = int(array_list[i][j]) out_list = [0 for i in range(t)] for i in ra...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.util.*; import java.io.*; public class CodeForces { public static void main(String[] args) { FastScanner sc = new FastScanner(); int t = sc.nextInt(); while (t-- > 0) { int n = sc.nextInt(); int[] a = new int[n]; for (int i = 0; i < a.length; ...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
from sys import stdin def main(): l = stdin.read().splitlines()[2::2] for i, s in enumerate(l): *aa, a = map(int, s.split()) while aa and aa[-1] >= a: a = aa.pop() while aa and aa[-1] <= a: a = aa.pop() l[i] = str(len(aa)) print('\n'.join(l)) if __...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t = int(input()) for _ in range(t): n = int(input()) l = list(map(int,input().split())) ans = n now = 0 count = 0 li = 0 for i in l[::-1]: if i >= now: now = i count += 1 else: li = count break if count == n: print(0...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n=int(input()) a=list(map(int,input().split())) if n<=2: print(0);continue ci=1 cd=1 for i in range(0,n-1): if a[i]<=a[i+1]:ci+=1 elif a[i]>=a[i+1]:cd+=1 if ci==n or cd==n:print(0) else: j=n-1 ans=0 fg=0 ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n = int(input()) a = list(map(int, input().split())) i = 0 while i < (len(a)-1): if a[i] > a[i+1]: break i += 1 if i == len(a) - 1: print(0) else: start = 0; end = len(a)-1; m = -9999999999 count = 0 while...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.io.*; import java.util.*; public class Main{ public static void main(String[] args) { PrintWriter out=new PrintWriter(System.out); InputReader in=new InputReader(System.in); int t=in.nextInt(); while(t-->0) { int n=in.nextInt(); int [] a=in.readArray(n); int s=0,e=s; int i=...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n = int(input()) a = [int(x) for x in input().split()] pos = n - 1 while pos != 0 and a[pos - 1] >= a[pos]: pos -= 1 while pos != 0 and a[pos - 1] <= a[pos]: pos -= 1 print(pos)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
from sys import stdin input = stdin.readline T = int(input()) for case in range(T): N = int(input()) Nums = [*map(int,input().split())] flip=False Ans=0 for i in range(N-1,0,-1): if not flip and Nums[i]>Nums[i-1]: flip=True elif flip and Nums[i]<Nums[i-1]: ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.io.*; import java.util.*; import java.math.*; import java.lang.*; import static java.lang.Math.*; public class Main implements Runnable { static class InputReader { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; private SpaceCharFi...
JAVA
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int tt; cin >> tt; while (tt--) { int n; cin >> n; vector<int> a(n); for (int i = 0; i < n; i++) cin >> a[i]; int i = n - 1; while (i >= 1 && a[i - 1] >= a[i]) i--; int j = i...
CPP
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n=int(input()) A=list(map(int,input("").split())) ans=0 flag=0 for i in range(len(A)-2,-1,-1): if flag==1 and A[i]>A[i+1]: ans=i+1 break if A[i]<A[i+1]: flag=1 print(ans)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t=int(input()) for _ in range(t): n=int(input()) l=list(map(int,input().split())) j=n-1 while(j>0): if l[j-1]>=l[j]: j-=1 continue break while(j>0): if l[j]>=l[j-1]: j-=1 continue break print(j)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n = int(input()) a = [int(i) for i in input().split()] pos = n-1 while pos>=1 and a[pos-1]>=a[pos]: pos-=1 while pos>=1 and a[pos-1]<=a[pos]: pos-=1 print(pos)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#include <bits/stdc++.h> using namespace std; const long long INF = 1e18; const int mod = 1e9 + 7, N = 2e5 + 5, inf = 1e9; int main() { ios::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); int t; cin >> t; while (t--) { int n, arr[N]; cin >> n; for (int i = 0; i < n; i++) cin >> arr[i]; i...
CPP
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import math import datetime import collections import statistics import itertools def is_prime(num): for i in range(2, int(math.sqrt(num)) + 1): if num % i == 0: return False return True def input_list(): ll = list(map(int, input().split(" "))) return ll tc = int(input()) for ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for t in range(int(input())): n=int(input()) a=[int(i) for i in input().split(" ")] p=n-1 while p>0 and a[p-1]>=a[p]: p=p-1 while p>0 and a[p-1]<=a[p]: p=p-1 print(p)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for t in range(int(input())): n=int(input()) arr=list(map(int,input().strip().split())) arr.reverse() c=0 once=False i=0 while i<n-1 and not once: if arr[i]<=arr[i+1]: i+=1 else: once=True i+=1 if i==n-1: print(0) else: ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n = int(input()) arr = list(map(int,input().split())) c = 0 arr = arr[::-1] inc = True i = 0 while i<len(arr)-1: if inc: if arr[i+1]>=arr[i]: c+=1 else: inc = False c+=1 else: if arr[i+1]<=arr[i]: c+=1 else: c+=1 inc = True break i+=1 i...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
def main(): for __ in [0]*int(input()): N = int(input()) *A, = map(int, input().split()) p = A[-1] for i in range(N-1, -1, -1): if A[i] < p: break p = A[i] for i in range(i, -1, -1): if A[i] > p: print(i+1) ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t=int(input()) final=[] for j in range(t): n=int(input()) l=[int(x) for x in input().split()] hot=0 for i in range(len(l)-1): h=min(l[len(l)-1-i],l[len(l)-2-i]) if(h!=l[len(l)-1-i]): hot=len(l)-2-i break for i in range(hot): h=min(l[hot-i],l[hot-1-i]) ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t=int(input()) for i in range(t): n=int(input()) a=list(int(num) for num in input().split()) k=n-1 while k>0: if a[k]<=a[k-1]: k-=1 else: break while k>0: if a[k]>=a[k-1]: k-=1 else: break print(k)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t = int(input()) def solve(arr): n = len(arr) x = sorted(arr) if arr == x or arr == x[::-1] or n == 1: return 0 arr = arr[::-1] i = 0 while i < n-1 and arr[i+1]>=arr[i]: i += 1 ans1 = i i = 0 while i < n-1 and arr[i+1]<=arr[i]: i += 1 ans2...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
def sol(lis): i = len(lis)-1 while i>0 and lis[i-1]>=lis[i]: i-=1 while i>0 and lis[i-1]<=lis[i]: i-=1 print(i) k = int(input()) for i in range(k): input() lis = list(map(int,input().split(' '))) sol(lis)
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t=int(input()) i=0 while i<t: n=int(input()) arr=list(map(int,input().split())) if n<=2: print(0) else: j=n-1 while j>0 and arr[j-1]>=arr[j]: j=j-1 while j>0 and arr[j-1] <=arr[j]: j=j-1 print(j) i=i+1
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
#Fuck you idoit read the question properly non-decarsing not non-incresing wasted a lot of time in it t=int(input()) def fun(n,a): ans=-1 i=0 j=n a.reverse() while i+1<n and a[i]<=a[i+1]: i+=1 while i+1<n and a[i]>=a[i+1]: i+=1 print(n-i-1) while t: t-=1 n=int(input()...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
from sys import stdin,stdout def INPUT():return list(int(i) for i in stdin.readline().split()) import math def inp():return stdin.readline() def out(x):return stdout.write(x) import math as M MOD=10**9+7 from random import randint as R import sys ##################################### for _ in range(int(input())): n...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
t=int(input()) while(t): t=t-1 n=int(input()) a=list(map(int,input().split())) if(len(set(a))==1): print(0) else: flag,flag2=False,True for i in reversed(range(n)): if(a[i]<a[i-1] and flag): print(i) flag2=False brea...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
for _ in range(int(input())): n = int(input()) A = list(map(int,input().split())) d =[] for i in range(1,n): d.append(A[i]-A[i-1]) ca=-1;ans=0 for i in range(len(d)): if(d[i]<0): ca=i if(d[i]>0 and ca>=0): if(i-ca>1): ans = ca+1 ...
PYTHON3
1385_C. Make It Good
You are given an array a consisting of n integers. You have to find the length of the smallest (shortest) prefix of elements you need to erase from a to make it a good array. Recall that the prefix of the array a=[a_1, a_2, ..., a_n] is a subarray consisting several first elements: the prefix of the array a of length k...
2
9
import java.util.*; public class Main { public static void main(String[] args) throws Exception { // Your code here! Scanner sc=new Scanner(System.in); int t=sc.nextInt(); while(t-->0) { int n=sc.nextInt(); int a[]=new int[n]; ...
JAVA