제출 #1152537

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1152537		WongYiKai	Sjeckanje (COCI21_sjeckanje)	C++20	0 / 110	0 ms	320 KiB

Main

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

int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	
	ll n,q;
    cin >> n >> q;
    ll a[n+5];
    for (int i=1;i<=n;i++){
        cin >> a[i];
    }
    while (q--){
        ll l,r,x;
        cin >> l >> r >> x;
        for (int i=l;i<=r;i++){
            a[i] += x;
        }
        ll ans=0;
        for (int i=2;i<n;i++){
            if (a[i-1]<a[i]&&a[i+1]<=a[i]){
                ans += a[i];
                ans += max(a[i-1],a[i+1]);
            }
            else if (a[i-1]>=a[i]&&a[i+1]>a[i]){
                ans -= a[i];
                ans -= min(a[i-1],a[i+1]);
            }
        }
        if (a[2]>a[1]){
            ans -= a[1];
        }
        else{
            ans += a[1];
        }
        if (a[n-1]>=a[n]){
            ans -= a[n];
        }
        else{
            ans += a[n];
        }
        cout << ans << "\n";
    }
}

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