Submission #167200

#	Time	Username	Problem	Language	Result	Execution time	Memory
167200		muhammad_hokimiyon	Divide and conquer (IZhO14_divide)	C++14	48 / 100	1073 ms	2296 KiB

divide

#include <bits/stdc++.h>

#pragma GCC optimize("Ofast")

#define fi first
#define se second
#define LL long long

using namespace std;

const int N = 2e5 + 7;
const int mod = 1e9 + 7;

int n;
int x[N];
LL g[N];
LL d[N];

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    //freopen( "input.txt" , "r" , stdin );
    //freopen( "output.txt" , "w" , stdout );

    cin >> n;
    LL ans = 0;
    for( int i = 1; i <= n; i++ ){
        cin >> x[i] >> g[i] >> d[i];
        ans = max( ans , g[i] );
    }
    for( int i = 1; i <= n; i++ ){
        LL sum = g[i];
        LL cnt = d[i];
        for( int j = i + 1; j <= n; j++ ){
            cnt += d[j];
            sum += g[j];
            if( x[j] - x[i] <= cnt ){
                ans = max( ans , sum );
            }
        }
    }
    cout << ans;
}

• Subtask 1: 17 / 17
• Subtask 2: 31 / 31
• Subtask 3: 0 / 52