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Submission #559853

# Submission time Handle Problem Language Result Execution time Memory
559853 2022-05-10T18:19:12 Z GioChkhaidze Sure Bet (CEOI17_sure) C++14
0 / 100
 0 ms 212 KB 
#include <bits/stdc++.h>
using namespace std;
double a[100005], b[100005];
main () {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL), cout.tie(NULL);
	int n;
	cin >> n;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i] >> b[i]; 
	}
	sort(a + 1, a + n + 1);
	sort(b + 1, b + n + 1);
	reverse(a + 1, a + n + 1);
	reverse(b + 1, b + n + 1);
	double ans = 0;
	int aid = 1, bid = 1;
	double Sa = a[1], Sb = b[1];
	while (aid < n || bid < n) {
		ans = max(ans, min(Sa, Sb) - (aid + bid));
		if (bid + 1 <= n && (aid == n || Sa >= Sb)) 
			Sb += b[++bid];
				else
		if (aid + 1 <= n && (bid == n || Sb >= Sa))
			Sa += a[++aid];
		ans = max(ans, min(Sa, Sb) - (aid + bid));
	}
	cout << setprecision(5) << ans << "\n"; 
}

Compilation message

sure.cpp:4:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    4 | main () {
      | ^~~~

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -