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Submission #337825

# Submission time Handle Problem Language Result Execution time Memory
337825 2020-12-21T20:00:40 Z Tosic Divide and conquer (IZhO14_divide) C++14
17 / 100
 1 ms 364 KB 
#include <bits/stdc++.h>
#define maxn 100010
using namespace std;

int n, ans, p[maxn], eSum[maxn], goldSum[maxn], g[maxn], e[maxn], sufM;
vector<pair<int, int> > sufV;

int main(){
	ios_base::sync_with_stdio(0);
	cout.tie(0);
	cin.tie(0);
	cin >> n;
	for(int i = 1; i <= n; ++i){
		cin >> p[i] >> g[i] >> e[i];
		goldSum[i] = goldSum[i-1]+g[i];
		eSum[i] = eSum[i-1] + e[i];
	}
	sufM = -1e9;
	for(int i = n; i > 0; --i){
		sufM = max(sufM, eSum[i]-p[i]);
		sufV.push_back(make_pair(sufM,i));
		int tmp = (*(lower_bound(sufV.begin(), sufV.end(), make_pair(eSum[i-1]-p[i], 0)))).second;
		//cerr << tmp << '\n';
		ans = max(ans, goldSum[tmp]-goldSum[i-1]);
	}
	cout << ans;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Incorrect 1 ms 364 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Incorrect 1 ms 364 KB Output isn't correct
18 Halted 0 ms 0 KB -