Submission #849808

#	Time	Username	Problem	Language	Result	Execution time	Memory
849808		gun_gan	Sjeckanje (COCI21_sjeckanje)	C++17	0 / 110	1 ms	344 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int MX = 2e5 + 5;

int N, Q;
ll A[MX];

ll calc() {
      ll res = 0;
      for(int x = 1; x + 1 <= N; x++) {
            if(A[x] == A[x + 1]) continue;
            if(A[x] < A[x + 1]) {
                  int y = x;
                  while(y + 1 <= N && A[y] < A[y + 1]) y++;
                  res += A[y] - A[x];
                  x = y;
            } else {
                  int y = x;
                  while(y + 1 <= N && A[y] > A[y + 1]) y++;
                  res += A[x] - A[y];
                  x = y;
            }
      }
      return res;
}

int main() {
      cin.tie(0); ios_base::sync_with_stdio(0);

      cin >> N >> Q;

      for(int i = 1; i <= N; i++) cin >> A[i];

      for(int i = 1; i <= Q; i++) {
            ll l, r, x;
            cin >> l >> r >> x;

            for(int j = l; j <= r; j++) A[j] += x;

            cout << calc() << '\n';
      }
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 40
• Subtask 3: 0 / 55