Submission #91084

#	Time	Username	Problem	Language	Result	Execution time	Memory
91084		Hideo	Divide and conquer (IZhO14_divide)	C++14	48 / 100	1076 ms	2916 KiB

divide

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

const int N = 1e5 + 7;
const int INF = 1e9 + 7;

ll x[N], g[N], d[N];
int n;
ll mx, pre[N], prg[N];

main(){
	cin >> n;
	for (int i = 1; i <= n; i++){
        scanf("%lld%lld%lld", &x[i], &g[i], &d[i]);
        mx = max(g[i], mx);
        prg[i] = prg[i - 1] + g[i];
        pre[i] = pre[i - 1] + d[i];
	}
	for (int i = 1; i <= n; i++){
        for (int j = i + 1; j <= n; j++){
            if (pre[j] - pre[i - 1] >= x[j] - x[i]){
                mx = max (prg[j] - prg[i - 1], mx);
            }
        }
	}
	cout << mx;
}

Compilation message (stderr)

divide.cpp:12:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
divide.cpp: In function 'int main()':
divide.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld%lld%lld", &x[i], &g[i], &d[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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