oj.uz

Submission #145271

# Submission time Handle Problem Language Result Execution time Memory
145271 2019-08-19T12:43:34 Z Sorting Sails (IOI07_sails) C++14
5 / 100
 34 ms 3064 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 1e5 + 7;

int n;
pair<long long, long long> a[MAXN]; //height, number of sails

int main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);

	cin >> n;

	for(int i = 0; i < n; ++i){
		cin >> a[i].first >> a[i].second;
	}

	sort(a, a + n);

	long long ans = 0, cnt = 0;
	long long mn = MAXN;

	for(int i = n - 1; i >= 0; --i){
		mn = min(a[i].first, mn);
		if(mn > a[i].second){
			ans += a[i].second * cnt;
			mn -= a[i].second;
		}
		else{
			ans += mn * cnt;
			++cnt;
			ans += (a[i].second - mn) * cnt;
			mn = a[i].first - (a[i].second - mn);
		}
	}

	cout << ans << "\n";

	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 248 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

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

Subtask #4
0 / 5.0

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

Subtask #5
0 / 10.0

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

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 504 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 11 ms 1144 KB Output isn't correct

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 18 ms 1656 KB Output isn't correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 26 ms 2300 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 30 ms 2808 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 34 ms 3064 KB Output isn't correct
2 Halted 0 ms 0 KB -