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Submission #134717

# Submission time Handle Problem Language Result Execution time Memory
134717 2019-07-23T07:50:39 Z someone_aa Divide and conquer (IZhO14_divide) C++17
48 / 100
 1000 ms 3320 KB 
#include <bits/stdc++.h>
#define ll long long 
#define pb push_back
#define mp make_pair
using namespace std;
const int maxn = 100100;
ll gold[maxn], energy[maxn], x[maxn], n;
ll prefix_g[maxn], prefix_e[maxn];

int main() {
	cin>>n;
	for(int i=1;i<=n;i++) {
		cin>>x[i]>>gold[i]>>energy[i];

		prefix_g[i] = prefix_g[i-1] + gold[i];
		prefix_e[i] = prefix_e[i-1] + energy[i];
	}

	ll result = 0LL;
	for(int i=1;i<=n;i++) {
		for(int j=i;j>=1;j--) {
			if(x[i] - x[j] <= prefix_e[i] - prefix_e[j-1]) {
				result = max(result, prefix_g[i] - prefix_g[j-1]);
			}
		}
	}
	cout<<result<<"\n";
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 4 ms 376 KB Output is correct
4 Correct 3 ms 380 KB Output is correct
5 Correct 4 ms 376 KB Output is correct
6 Correct 6 ms 504 KB Output is correct
7 Correct 4 ms 376 KB Output is correct
8 Correct 4 ms 376 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 7 ms 504 KB Output is correct
11 Correct 22 ms 688 KB Output is correct
12 Correct 24 ms 632 KB Output is correct

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 632 KB Output is correct
2 Correct 82 ms 888 KB Output is correct
3 Correct 86 ms 964 KB Output is correct
4 Execution timed out 1060 ms 3320 KB Time limit exceeded
5 Halted 0 ms 0 KB -