Submission #65507058

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Source Code Expand

#include <bits/stdc++.h>
#define ll long long
#define rep(i, x, y) for (int i = (x); i <= (y); ++i)
#define drep(i, x, y) for (int i = (x); i >= (y); --i)
#define pb push_back
#define pii pair<int, int>
#define fi first
#define se second
#define mem(a, b) memset((a), b, sizeof(a))
#define ALL(a) (a).begin(), (a).end()
#define fastio ios::sync_with_stdio(0), cin.tie(0), cout.tie(0)
#define mp(x, y) make_pair(x, y)
#define Shiina Mahiru
#define Code By YZQ
using namespace std;
template <typename T> inline void cmin(T &x, T y) { if(x > y) x = y; }
template <typename T> inline void cmax(T &x, T y) { if(x < y) x = y; }
void Fin(string s) { freopen((s + ".in").c_str(), "r", stdin); }
void Fout(string s) { freopen((s + ".out").c_str(), "w", stdout); }
const int N = 3000030;
int main() {
	fastio; int T; cin >> T;
	while(T--) {
		int n; cin >> n;
		vector<ll> a(n);
		for(auto &x : a) cin >> x;
		sort(ALL(a));
		int ans = 0; ll s = 0;
		rep(i, 0, n - 1) {
			s += a[i];
			// x > s / i
			int v = a.end() - upper_bound(ALL(a), s / (i + 1)) - (n - i - 1);
			cmax(ans, v);
		}
		cout << ans << '\n';
	}
	return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘void Fin(std::string)’:
Main.cpp:18:29: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   18 | void Fin(string s) { freopen((s + ".in").c_str(), "r", stdin); }
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp: In function ‘void Fout(std::string)’:
Main.cpp:19:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   19 | void Fout(string s) { freopen((s + ".out").c_str(), "w", stdout); }
      |                       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Judge Result