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Submission #172669

# Submission time Handle Problem Language Result Execution time Memory
172669 2020-01-02T10:24:27 Z tselmegkh Divide and conquer (IZhO14_divide) C++14
17 / 100
 227 ms 4336 KB 
#include<bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;

int x[N], g[N], d[N];
int main(){
	int n;
	cin >> n;
	for(int i = 1; i <= n; i++){
		cin >> x[i] >> g[i] >> d[i];		
	}
	int l = 0;
	long long curenergy = 0, curgold = 0, ans = 0;
	for(int i = 1; i <= n; i++){
		ans = max(ans, (long long)g[i]);
		if(curenergy + d[i] >= x[i] - x[l]){
			curenergy += d[i];
			curgold += g[i];
		}else{
			while(curenergy + d[i] < x[i] - x[l]){
				curenergy -= d[l];
				curgold -= g[l];
				l++;
			}
			curenergy += d[i];
			curgold += g[i];
		}
		ans = max(ans, curgold);
	}
	cout << ans << '\n';
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 248 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 376 KB Output is correct
11 Correct 2 ms 436 KB Output is correct
12 Correct 2 ms 376 KB Output is correct

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Incorrect 3 ms 376 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 504 KB Output is correct
2 Correct 14 ms 632 KB Output is correct
3 Correct 17 ms 632 KB Output is correct
4 Correct 85 ms 1944 KB Output is correct
5 Correct 107 ms 2236 KB Output is correct
6 Correct 227 ms 4336 KB Output is correct
7 Correct 153 ms 3172 KB Output is correct
8 Correct 157 ms 3336 KB Output is correct
9 Correct 158 ms 3060 KB Output is correct
10 Incorrect 146 ms 3192 KB Output isn't correct
11 Halted 0 ms 0 KB -