Submission #3595881

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Source Code Expand

#include <bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
#define pb push_back
#define inf 100000000000007
#define N 1000005
using namespace std;
typedef long long ll;

ll n, x, y, top, bas = 0, son = inf, a[N];

bool dene(ll kac){
	ll kal = kac;
	// a * x + kac * y- a * y > a[i];
	for(int i = 1; i <= n; i++){
		ll bul = ( a[i] - kac * y ) / (x - y ) + (( a[i] - kac * y ) % (x - y ) != 0);
		if(bul > kal)
			return 0;
		kal -= max(0ll, bul);
		// cout << ( a[i] - kac * y ) / (x - y ) + (( a[i] - kac * y ) % (x - y ) != 0) << " " ;

	}
	return 1;
}

int main() {
	// freopen("in.txt", "r", stdin);
	// freopen("amk.txt", "w", stdout);
	scanf("%lld %lld %lld",&n ,&x ,&y);
	for(int i = 1; i <= n; i++){
		scanf("%lld",a + i);
		top += a[i];
	}
	son = top/(y*n) + 5;
	while(bas < son){
		ll orta = (bas+son)/2;
		if(dene(orta))
			son = orta;
		else
			bas = orta + 1;
	}
	printf("%lld\n", bas);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:30:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld %lld",&n ,&x ,&y);
                                    ^
./Main.cpp:32:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",a + i);
                      ^

Judge Result