Search is not available for this dataset
name
stringlengths
2
112
description
stringlengths
29
13k
source
int64
1
7
difficulty
int64
0
25
solution
stringlengths
7
983k
language
stringclasses
4 values
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int main(int argc, const char* argv[]) { std::ios::sync_with_stdio(false); int n; cin >> n; vector<long long> data(n); for (int i = 0; i < n; ++i) { cin >> data[i]; } vector<long long> data2; for (int i = 0; i < n - 1; ++i) { data2.push_back(abs(data...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class D { static BufferedReader in; static PrintWriter out; static StringTokenizer tok = new StringTokenizer(""); public static void main(String[] args) throws I...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
//package fb1; //package fb1; import java.util.*; import java.io.*; import java.lang.Math.*; public class MainA { public static int mod = 20000; public static long[] val; public static long[] arr; static long max = (long) 1e10 + 7; static long count=0; static int l=0; public static void main(String[] args)...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using std::vector; int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr); size_t array_size; std::cin >> array_size; vector<int64_t> array(array_size); for (auto& elem : array) { std::cin >> elem; } vector<int64_t> diffs; for (size_t i = 1; i < array.si...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const int maxn = 100010; int main() { int n; long long a[maxn]; long long dp[maxn], cp[maxn]; while (cin >> n) { for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) a[i] = abs(a[i + 1] - a[i]); long long ans = 0; for (int i = n - 2; ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long dp[100005], a[100005]; int main() { ios::sync_with_stdio(false); int n; long long ans1 = 0, ans2 = 0, ans = 0, pre, now; cin >> n; cin >> pre; for (int i = 1; i < n; i++) { cin >> now; a[i] = abs(now - pre); pre = now; } for (int i = 1;...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
n = int(raw_input()) a = [int(x) for x in raw_input().split()] l = [] if n == 1: print 0 exit() if n == 2: print abs(a[0]-a[1]) exit() for i in range(len(a)-1): l.append(abs(a[i]-a[i+1])) ans = [-1]*len(l) ans[-1] = l[-1] ans[-2] = l[-2] for i in range(-3,-n,-1): ans[i] = max(l[i],l[i]+ans[i+2]-l[i+1]) print max...
PYTHON
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.*; import java.util.*; import java.util.concurrent.ArrayBlockingQueue; import java.lang.*; import java.math.*; import java.text.DecimalFormat; import java.lang.reflect.Array; import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; ...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long b[100000], m = 0; int n; void dp() { long long sum = 0; for (int i = 0; i < n; i++) { sum += b[i]; if (sum < 0) sum = 0; m = max(m, sum); } } int main() { cin >> n; long long num, last; cin >> last; n--; for (int i = 0; i < n; i++) { ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.util.*; import java.io.*; public class A { public static void main(String[] args) throws IOException { FastScanner qwe = new FastScanner(System.in); int n = qwe.nextInt(); int[] a = new int[n]; for (int i = 0; i < a.length; i++) { a[i] = qwe.nextInt(); } long best = 0; for(i...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
if __name__ == "__main__": n = input() a = map(int, raw_input().split()) f = [0] * (n - 1) for i in range(n - 1): f[i] = abs(a[i] - a[i + 1]) res = max(f) tmp = 0 for i in range(n - 1): fi = f[i] if (i % 2 != 0): fi = -fi tmp += fi if tm...
PYTHON
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const int N = 100004; long long a[N], b[N]; int n, p = 0; long long fun(int n) { long long ans = 0, sum = 0; for (int i = 1; i <= n; i++) { sum += b[i]; if (sum < 0) sum = 0; ans = max(ans, sum); } return ans; } int main() { long long ans = 0; scanf(...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
n = int(input()) a = [*map(int, input().split())] s = [abs(a[i] - a[i + 1]) for i in range(n - 1)] x = y = ans = 0 for i in s: x1 = max(y + i, 0) y1 = max(x - i, 0) x, y, ans = x1, y1, max(x1, y1, ans) print(ans)
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; void solve() { int n; cin >> n; vector<long long> a(n); for (auto &it : a) cin >> it; ; long long dp[n + 5][5]; memset(dp, 0, sizeof(dp)); dp[0][1] = abs(a[0] - a[1]); long long ans = dp[0][1]; for (int i = 1; i < n - 1; i++) { dp[i][1] = max(dp[i - ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
lectura= lambda:map (int, input().split()) n= (list(lectura())[0]) lista= list(lectura()) fDescrita=0 alt1=1 maxV1=0 maxV2=0 C1=0 C2=0 for i in range(0, n -1): fDescrita= abs(lista[i] - lista[i + 1]) * alt1 maxV1=max(maxV1 + fDescrita, fDescrita) maxV2 = max(maxV2, maxV1) alt1 = alt1 * (-1) #print(f...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import math n=int(input()) a=list(map(int,input().split())) b=[] dp1=[] dp2=[] c=[] d=[] for i in range(n-1): b.append(abs((a[i+1]-a[i]))) for j in range(n-1): if(j%2): c.append(b[j]) d.append(-1*b[j]) else: c.append(-1*b[j]) d.append(b[j]) dp1.append(c[0]) dp2.append(d[0])...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.*; import java.util.*; public class Main2 { public static void main(String[] args) throws IOException { new Main2().solve(); } int inf = 2000000000; int mod = 1000000007; double eps = 0.0000000001; PrintWriter out; int n; int m; //ArrayList<Integer>[] g ...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.util.*; public class Solution { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); List<Integer> a=new ArrayList<Integer>(); for(int i=0;i<n;i++){ a.add(in.nextInt()); } ...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int T; int N; int A[100101], B[100101]; int main() { scanf("%d", &N); for (int i = 1; i <= N; i++) scanf("%d", &A[i]); for (int i = 1; i < N; i++) { B[i] = abs(A[i] - A[i + 1]); if (i % 2 == 0) B[i] = -B[i]; } long long mn = 1000000000000000000, mx = -1000...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.precision(10); cout << fixed; srand(time(0)); int n; cin >> n; vector<long long> v(n); for (int i = 0; i < n; i++) { cin >> v[i]; } vector<long long> a, b; int c = 1; for (int i = 0; i ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.util.Scanner; public class MaxFn { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int a[]=new int[n]; for(int i=0;i<n;i++){ a[i]=sc.nextInt(); } sc.close(); long lmax=Math.abs(a[0]-a[1]); int sign=-1; long rmax=sign*lmax; long...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
def maxSubArraySum(a,size): max_so_far =a[0] curr_max = a[0] for i in range(1,size): curr_max = max(a[i], curr_max + a[i]) max_so_far = max(max_so_far,curr_max) return max_so_far # def get() n = int(input()) a = list(map(int,input().split())) aa = [abs(a[i]-a[i+1]) for i in range(n-1)] b = [aa[i...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const int N = 100002; int n; long long dp[N], a[N], diffs[N]; int main() { scanf("%d", &n); for (int i = (1); i <= (int)(n); ++i) scanf("%lld", &a[i]); for (int i = (1); i <= (int)(n - 1); ++i) diffs[i] = abs(a[i] - a[i + 1]); dp[1] = diffs[1], dp[2] = diffs[2]; f...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.*; import java.math.*; import java.util.*; // @author : Dinosparton public class test { static class Pair{ long x; long y; Pair(long x,long y){ this.x = x; this.y = y; } } static class Compare { void compare(Pair arr[],...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
from math import fabs n = int(input()) a = list(map(int,input().split(" "))) a.insert(0,0) n += 1; dpmin = [0]*n dpmax = [0]*n dpmin[2] = abs(a[2]-a[1]) dpmax[2] = abs(a[2]-a[1]) for i in range(3,n) : dpmax[i] = max(abs(a[i]-a[i-1]) ,abs(a[i]-a[i-1])-dpmin[i-1] ) dpmin[i] = min(abs(a[i]-a[i-1]) ,abs(a[...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int64_t f(vector<int64_t> v) { int64_t best = 0; int64_t curr = 0; for (int i = 0; i < v.size(); i++) { curr += v[i]; best = max(best, curr); if (curr < 0) curr = 0; } return best; } int main() { int n; cin >> n; vector<int64_t> v(n); for (int ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; long long int a[n + 5]; for (int i = 0; i < (n); i++) cin >> a[i]; long long int x[n + 5], y[n + 5]; for (int i = 0; i < (n - 1); i++) { long long int z = abs(a[i] - a[i + 1]); if (i % 2 == 0) { x[i] = z; y[i] = ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class FunctionsAgain { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n =...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.DataInputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparato...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long maxsubsum(vector<int> &vec) { long long maxsum = 0; long long cursum = 0; for (int i = 0; i < vec.size(); i++) { cursum += vec[i]; if (cursum < 0) cursum = 0; maxsum = max(maxsum, cursum); } return maxsum; } int main() { int n; cin >> n; ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const int N = 100010; long long dp[2][N], a[N], f[N]; int main() { int n; cin >> n; for (int i = 0; i < (int)n; i++) cin >> a[i]; f[0] = abs(a[0] - a[1]); for (int i = 1; i < (int)n - 1; i++) { f[i] = abs(a[i] - a[i + 1]); } dp[0][0] = f[0]; dp[1][0] = -...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long a[100100], b[100100], c[100100], d[100100]; int main() { long long n, i, t; scanf("%I64d", &n); for (i = 0; i < n; i++) scanf("%I64d", &a[i]); for (i = 0; i < n - 1; i++) b[i] = abs(a[i] - a[i + 1]); c[n] = 0; d[n] = 0; long long ans = LLONG_MIN; f...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.Writer; import java.util.Arrays; import java.util.InputMismatchException; import java.util.*; import java.io.*; im...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<long long> data(n + 1); for (int i = 1; i <= n; i++) { scanf("%lld", &data[i]); } vector<long long> b(n + 1); vector<long long> c(n + 1); vector<long long> pref1(n + 1); vector<long long> pref2(n + 1); for (int i ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; vector<long long int> v1, v2, v; long long int res = -1000000000000000000; int n; int main() { cin >> n; for (int i = 0; i < n; i++) { long long int x; cin >> x; v.push_back(x); } for (unsigned long long int i = 0; i < v.size() - 1; i++) { long long ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long n = 0, ans = 0; cin >> n; vector<long long> a(n), f1(n), f2(n); for (long long i = 0; i < n; i++) { cin >> a[i]; if (i) { f1[i] = abs(a[i] - a[i - 1]) * pow(-1, i + 1); ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.util.*; import java.io.*; public final class CF { static long ans(long[] a) { long max = Integer.MIN_VALUE; long curr = 0; for(int i = 0; i<a.length; i++) { curr+=a[i]; if(max<curr) max = curr; if(curr<0) curr = ...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long N, A[100005]; int main() { ios::sync_with_stdio(false), cin.tie(0), cout.tie(0); cin >> N; for (int i = int(1); i < int(N + 1); i++) cin >> A[i]; long long best = 0, acc = 0; for (int i = int(1); i < int(N); i++) { acc += abs(A[i] - A[i + 1]) * (i % ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long binpow(long long a, long long b, long long m) { a %= m; long long res = 1; while (b > 0) { if (b & 1) res = res * a % m; a = a * a % m; b >>= 1; } return res; } struct Sieve { long long n; vector<long long> primes, f; Sieve(long long nn...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.*; import java.util.*; public class cf407c { static final int N=(int)1e5+10; static final long inf=(long)1e10; static int a[]=new int[N]; static int b[]=new int[N]; static int c[]=new int[N]; public static void main(String[] args){ Scanner cin=new Scanner(new Inpu...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ; long long N; cin >> N; long long v[N]; for (long long i = 0; i < N; i++) cin >> v[i]; long long arr1[N - 1], arr2[N - 1]; for (long long i = 0; i < N - 1; i++) { arr1[i] ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int i = 0, j = 0, cs = 0, in; int n; cin >> n; vector<int> v, a, b; for (i = 0; i < n; i++) { cin >> in; v.push_back(in); }; for (i = 0; i < n - 1; i++) { int x = abs(v[i + 1] - v[i]); if (i & 1) a.push_back(-1 * x), b.push_b...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const int N = int(1e5) + 5; int n; int a[N]; long long dp[N]; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cin >> n; for (int i = 1; i <= n; cin >> a[i++]) ; for (int i = 1; i <= n - 1; i++) a[i] = abs(a[i] - a[i + 1]); dp[1] = (long long...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.util.*; public class Main { public static class FastReader { BufferedReader br; StringTokenizer root; public FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); } String next...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int main() { long long n; cin >> n; vector<long long> arr(n + 1, 0); for (long long i = 1; i <= n; i++) cin >> arr[i]; vector<long long> val(n + 1, 0); for (long long i = 1; i < n; i++) { if (i % 2 == 0) val[i] = abs(arr[i] - arr[i + 1]) * -1; else...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; import java.util.StringTokenizer; import java.util.*; import java.io.*; public class codeforces { static class Student{ int e,l; Student(int e,int l)...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long mod = 1000000007; inline long long mpow(long long b, long long ex) { if (b == 1) return 1; long long r = 1; while (ex) { if (ex & 1) r = (r * b) % mod; ex = ex >> 1; b = (b * b) % mod; } return r; } long long n, m, k; long long b1, q, l; int ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.util.Scanner; import java.util.Arrays; public class Main{ static final long INF = Long.MAX_VALUE / 2; static int n; static int[] a; public static void main(String[] args){ Scanner sc = new Scanner(System.in); n = sc.nextInt(); a = new int[n]; for(int i = 0; i < n; i++){ a[i]...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
# import io, os # input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline import sys # sys.stdin=open('input.txt','r') # sys.stdout=open('output.txt','w') input=sys.stdin.readline # sys.setrecursionlimit(300010) MOD = 1000000007 MOD2 = 998244353 ii = lambda: int(input().strip('\n')) si = lambda: input().strip('\n')...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#!/usr/bin/python # coding: utf-8 n=int(raw_input()) arr=map(long,raw_input().split(' ')) arr1=[] arr2=[] for i in xrange(n-1): tmp=abs(arr[i+1]-arr[i]) tmp1=tmp*((-1)**i) arr1.append(tmp1) tmp2=tmp*((-1)**(i+1)) arr2.append(tmp2) max1=max2=current1=current2=0 for i in xrange(n-1): current1+...
PYTHON
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long mm = 1000000007; long long powe(long long a, long long n) { long long ans = 1; while (n) { if (n & 1) ans = (ans * a) % mm; n = n / 2; a = (a * a) % mm; } return ans; } long long fac[100005]; void precum() { fac[0] = 1; for (long long i = 1...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
from sys import stdin rints = lambda: [int(x) for x in stdin.readline().split()] n, a, ans, tem1, tem2 = int(input()), rints(), 0, 0, 0 diff = [abs(a[i] - a[i - 1]) for i in range(1, n)] for i in range(n - 1): if i % 2 == 0: tem1 += diff[i] tem2 -= diff[i] if tem2 < 0: tem2 = 0...
PYTHON
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.util.Scanner; public class Test { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n=scan.nextInt(); long max=0, up=scan.nextLong(), abs=0, max2=0, temp=0, dif=0; for (int i=0; i<n-1; i++) { long down = scan.nextLong(); abs = Math.abs(up - d...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.DataInputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; import java.util.StringTokenizer; public class Div2407C { static class Reader { final private int BUFFER_SIZE = 1 << 16; private DataInputStream d...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.StringTokenizer; public class R407Div2C { public static void main(String[] args) { FastScanner in=new FastScanner(); int n=in.nextInt(); int[] a=new int[n-1]; int b=in.nextInt(),c=0; for(int i=0;i<n-1;i++){ c=in.nextInt()...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long int maxsum(vector<long long int> a) { long long int max_so_far = -1000000000000, max_ending_here = 0; for (int i = 0; i < a.size(); i++) { max_ending_here = max_ending_here + a[i]; if (max_so_far < max_ending_here) max_so_far = max_ending_here; if ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const long long lnf = (1LL << 61); int n; int* a; long long sodd = 0, suodd = 0; long long great[2][2] = {{lnf, -lnf}, {lnf, -lnf}}; long long res = -0x3fffffff; inline void init() { scanf("%d", &n); a = new int[(const int)(n + 1)]; for (int i = 1; i <= n; i++) scanf(...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<long> a(n); for (int i = 0; i < n; i++) { long x; cin >> x; a[i] = x; } long long b[n], c[n]; for (int i = 0; i < n - 1; i++) { b[i] = abs(a[i] - a[i + 1]); c[i] = b[i]; if (i % 2 == 0) { b[i] ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.util.*; import java.math.*; import java.io.*; import java.text.*; public class A{ static class Node{ int x; long cost; public Node(int x,long cost) { this.x=x; this.cost=cost; } } //public static PrintWriter pw; public static PrintWriter pw=new PrintWriter(System.out); public static void solve() ...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long f[100005]; long long input[100005]; int main() { int n; scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", &input[i]); } for (int i = 1; i < n; i++) { f[i - 1] = input[i - 1] - input[i]; f[i - 1] = labs(f[i - 1]); } long long last...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.*; public class CTask { public static void main(String[] args) throws IOException { MyInputReader in = new MyInputReader(System.in); int n = in.nextInt(); ...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
n=input() nums=map(int,raw_input().split());dp=[0]*(n-1);dp2=[0]*(n-1) for i in xrange(n-1): dp[i]=abs(nums[i]-nums[i+1])*(-1)**i dp2[i]=-dp[i] best=0;tot=0;best2=0;tot2=0 for i in xrange(n-1): tot=max(dp[i],tot+dp[i]);tot2=max(dp2[i],tot2+dp2[i]) best=max(best,tot);best2=max(best2,tot2) print max(best,...
PYTHON
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; void solve() { int n; cin >> n; vector<long long> a(n); for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n - 1; i++) a[i] = abs(a[i] - a[i + 1]); vector<pair<long long, long long>> dp(n); long long ans = a[0]; dp[0] = {a[0], -1e17}; for (int i ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.*; import java.util.*; import java.math.BigInteger; import java.util.Map.Entry; import static java.lang.Math.*; public class A extends PrintWriter { void run() { int n = nextInt(), m = n - 1; int[] a = nextArray(n); long[] s = new long[n]; for (int i = 1, sign = 1...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int64_t calc(vector<int64_t> &v) { int64_t tec = 0, mx = 0; for (int64_t i = 0; i < v.size(); ++i) { if (tec < 0) tec = 0; tec += v[i]; if (tec > mx) mx = tec; } return mx; } int32_t main() { ios_base::sync_with_stdio(false); int64_t n; cin >> n; ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 4; long long int a[maxn], dif1[maxn], dif2[maxn]; long long int kadane(long long int arr[], int n) { long long int ans = -2e9, curr_max = -2e9; for (int i = 1; i < n; i++) { curr_max = max(arr[i], curr_max + arr[i]); ans = max(curr_max, an...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
from sys import stdin from itertools import repeat def main(): n = int(stdin.readline()) a = map(int, stdin.readline().split(), repeat(10, n)) b = map(abs, [a[i+1] - a[i] for i in xrange(n - 1)]) ans = max(b) b[1::2] = [-x for x in b[1::2]] c = t = 0 for x in b: c += x if t >...
PYTHON
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
n = int(input()) a = list(map(int, input().split())) d1 = [] d2 = [] for i in range(n - 1): if i % 2 == 0: d1.append(abs(a[i] - a[i + 1])) d2.append(-1 * abs(a[i] - a[i + 1])) else: d1.append(-1 * abs(a[i] - a[i + 1])) d2.append(abs(a[i] - a[i + 1])) s1 = [0 for i in range(n)] ...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const int N = 2e3 + 5; const int nmax = 1e5 + 5; const int mod = 1e9 + 7; const long double eps = 1e-18; const long double PI = acos(-1.0); const long long inf = 1e9; const long double big = 1e18; long long d[nmax]; long long s[nmax]; long long a[nmax]; long long ABS(long l...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.util.*; public class FunctionsAgain{ public static void main(String[] args) { Scanner sc = new Scanner (System.in); int n = sc.nextInt(); int a[] = new int [n-1]; int ultimo = sc.nextInt(); for (int i=1;i<n;i++) { int actual = sc.nextInt(); a[i-1...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
n=int(input()) w=[int(k) for k in input().split()] a=[] for j in range(1, len(w)): a.append(abs(w[j]-w[j-1])) b, c=[], [] for j in range(len(a)): if j%2: b.append(-a[j]) c.append(a[j]) else: b.append(a[j]) c.append(-a[j]) res=0 x, y=[], [] q=0 for j in b: x.append(q) ...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.*; import java.util.*; import java.lang.Math; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; import java.util.StringTokenizer; public class GFG { static class FastReader{ BufferedReader br; StringTokenizer st;...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long int n, a[100005], b[100005], dp[100005]; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n; for (long long int i = 1; i <= n; ++i) cin >> a[i]; for (long long int i = 1; i <= n - 1; ++i) b[i] = abs(a[i] - a[i + 1]); n--; d...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import math import sys n = int(input()) a = [] b = [None] * n c = [None] * n for x in input().split(): a.append(int(x)) for i in range(0, n - 1): b[i] = c[i] = abs(a[i + 1] - a[i]) b[i] *= math.pow(-1, i) c[i] *= math.pow(-1, i + 1) maxCurrB = b[0] maxB = b[0] maxCurrC = c[0] maxC = c[0] for i in ra...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
R = lambda : map(int, input().split()) n = int(input()) a = list(R()) for i in range(len(a) - 1): a[i] = abs(a[i] - a[i + 1]) a = [v * (1 if i % 2 == 0 else -1) for i, v in enumerate(a[:-1])] res = 0 running_sum = 0 for i in range(len(a)): running_sum += a[i] res = max(res, abs(running_sum)) if running_...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; void __print(int x) { cout << x; } void __print(long x) { cout << x; } void __print(long long x) { cout << x; } void __print(unsigned x) { cout << x; } void __print(unsigned long x) { cout << x; } void __print(unsigned long long x) { cout << x; } void __print(float x) { cou...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class A407 { public static void main(String[] args) { FS scan = new FS(System.in); int N = scan.nextInt(); long[] list = new long[N]; for(int i=0...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const int N = 100000; int a[N]; void solve() { int n; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n - 1; i++) { a[i] = abs(a[i] - a[i + 1]); } n--; long long sm = a[0]; long long mx = sm; for (int i = 1; i < n; i++)...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.util.Scanner; public class FunctionsAgain { public static void main(String[] args) { // TODO Auto-generated method stub Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int[] arr = new int[100002]; for(int i = 1 ; i < n+1 ; i++) arr[i] = scan.nextInt(); int[] d...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int dat[100005]; long long s[100005]; int main() { int n; scanf("%d", &n); long long ans = LLONG_MIN; for (int i = 1; i <= n; i++) { scanf("%d", &dat[i]); s[i] = abs(dat[i] - dat[i - 1]); } s[1] = 0; long long now = 0; for (int i = 2; i <= n; i += 2)...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<long long> v(n), b(n - 1), c(n - 2); for (int i = 0; i < n; i++) cin >> v[i]; b[0] = abs(v[1] - v[0]); if (n == 2) { cout << b[0]; return 0; } for (int i = 2; i < n; i++) { if (i % 2) b[i - 1] = abs(v[i]...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
/**************************************************\ | | |-----------| |-----------|| | | | | | | | | | | |------------| |------| | | | | | | | | | |...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.util.Scanner; public class functionAgain { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc=new Scanner(System.in); long n=sc.nextLong(); long a=sc.nextLong(); long sum=0,max=0,min=0; for(int i=1;i<n;i++) { long b=sc.nextLong(); if(i%2==0) { ...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long a[1000001]; int main() { long long n, k; cin >> n >> k; long long count = 0; for (long long i = 0; i < n - 1; i++) { long long x; cin >> x; count += (pow(-1, i) * (abs(k - x))); a[i] = count; k = x; } sort(a, a + n - 1); if (a[0] ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
from sys import stdin, stdout n = int(stdin.readline()) values = list(map(int, stdin.readline().split())) first = [] second = [] ans = float('-inf') for i in range(n - 1): first.append(abs(values[i] - values[i + 1]) * (-1) ** i) second.append(abs(values[i] - values[i + 1]) * (-1) ** (i + 1)) cnt = 0 for i i...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
R=lambda:list(map(int,input().split())) n=int(input()) a=R() dif=[0]*(n-1) for i in range(n-1): dif[i]=abs(a[i]-a[i+1])*(1-2*(i%2)) sum=[0]*(n) sum[0]=0 for i in range(1,n): sum[i]=sum[i-1]+dif[i-1] ma=[0]*(n-1) mi=[0]*(n-1) for i in range(n-2,-1,-1): ma[i]=max(sum[i+1],ma[i+1] if i<n-2 else sum[i+1]) ...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
n = int(input()) a = [int(i) for i in input().split()] b = [abs(a[i] - a[i - 1]) for i in range(1, len(a))] sm = [[0] * 2 for i in range(n)] mn = [[0] * 2 for i in range(n + 1)] ans = -1000000 for i in range(n - 2, -1, -1): if i % 2 == 0: sm[i][0] = b[i] + sm[i + 1][0] sm[i][1] = -b[i] + sm[i + 1][1...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
n = int(input()) l = list(map(int,input().split())) M = abs(l[0]-l[1]) k = 0 i = 0 t_p = 0 t_n = 0 while ( i < n-1 ) : k = ( abs(l[i]-l[i+1]),-abs(l[i]-l[i+1]) )[i%2] t_n += k t_p -= k M = max(M,t_n,t_p) t_p = max(0,t_p) t_n = max(0,t_n) i += 1 print(M)
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const long long N = 1e5 + 7; const long long inf = 1e18 + 7; const long long mod = 1e9 + 7; int n; int a[N]; long long mn; long long mn1; long long sum; long long sum1; long long b[N]; long long c[N]; int main() { ios_base::sync_with_stdio(false); cin >> n; for (int i...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; long long a[200001]; long long b[200001]; int main() { int n, i, k, j; cin >> n; for (i = 0; i < n; i++) { cin >> a[i]; } for (i = 0; i < n - 1; i++) { b[i] = abs(a[i + 1] - a[i]); } long long f = -1; long long ans1 = b[0], ans2 = b[1], ma1 = b[0], m...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
n = int(input()) a = list(map(int, input().split())) b = [] sign = 1 for i in range(len(a)-1): b.append( abs(a[i]-a[i+1]) * sign ) sign *= -1 max_ = 0 max1, max2 = 0, 0 a1, a2 = 0, 0 for i in range(n-1): if a1+b[i]>0: a1 += b[i] else: a1 = 0 max1 = max(a1, max1) if a2-b[i]>0...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; int main() { long long int n, curr, posFor, negFor, temp, *arr; long long int maxp, maxn; cin >> n; arr = new long long int[n]; for (long int i = 0; i < n; i++) { cin >> temp; arr[i] = temp; } maxp = maxn = LONG_MIN; negFor = 0; posFor = 0; for (...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
""" Code of Ayush Tiwari Codeforces: servermonk Codechef: ayush572000 """ import sys input = sys.stdin.buffer.readline def solution(): n=int(input()) l=list(map(int,input().split())) d=[0]*(n+1) for i in range(n-1): if i%2==0: d[i+1]=d[i]+abs(l[i]-l[i+1]) else: ...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 7; long long dp[2][N]; int main() { int T; int n; cin >> n; vector<long long> a(n + 1); for (int i = 1; i <= n; i++) { scanf("%lld", &a[i]); } long long res = 0; for (int i = 1; i < n; ++i) { long long tmp = abs(a[i + 1] - a[i]); ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import sys import os import time import collections from collections import Counter, deque import itertools import math import timeit import random from io import BytesIO, IOBase from bisect import bisect_left as bl from bisect import bisect_right as br ######################### # imgur.com/Pkt7iIf.png # #############...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class FunctionsAgain { InputStream is; PrintWriter pw; String INPUT = ""; long L_INF = (1L << 60L); void solve() { int n = ni(), m; ...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
import java.io.*; import java.util.*; import java.math.BigInteger; import java.lang.Object; public class Main { static class sort implements Comparator<int[]> { public int compare(int[] a,int[] b) { if(a[1] == b[1]) return -b[0]+a[0]; ...
JAVA
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
n = int(input()) arr = list(map(int, input().strip().split())) arr1 = [(1-2*(i%2))*abs(arr[i]-arr[i+1]) for i in range(n-1)] arr2 = [(1-2*(1-i%2))*abs(arr[i]-arr[i+1]) for i in range(n-1)] so_far = 0 sumi = 0 # print(arr1) # print(arr2) for i in arr1: sumi += i if sumi < 0: sumi = 0 else: ...
PYTHON3
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; void solve() { int n; cin >> n; vector<long long> a(n); for (auto &it : a) cin >> it; ; long long dp[n + 5][5]; memset(dp, 0, sizeof(dp)); dp[0][1] = abs(a[0] - a[1]); long long ans = dp[0][1]; for (int i = 1; i < n - 1; i++) { dp[i][1] = max(dp[i - ...
CPP
788_A. Functions again
Something happened in Uzhlyandia again... There are riots on the streets... Famous Uzhlyandian superheroes Shean the Sheep and Stas the Giraffe were called in order to save the situation. Upon the arriving, they found that citizens are worried about maximum values of the Main Uzhlyandian Function f, which is defined as...
2
7
#include <bits/stdc++.h> using namespace std; const int N = 1e6 + 5; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long n; cin >> n; long long arr[n]; for (int i = 0; i < n; ++i) { cin >> arr[i]; } vector<long long> a, b; for (int i = 0; i < n - 1; i++) { if (i % 2) { ...
CPP