Submission #1866926

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Source Code Expand

#include <iostream>
#include <cstdio>
using namespace std;

typedef long long ll;
ll n, A, B, s, g, l, r, md, num, ans, a[100005];
int main()
{
	ll i;
	cin >> n >> A >> B;
	for (i =0; i < n; i++) {
		scanf ("%lld", &a[i]);
		s += a[i];
	}
	l = 1;
	r = s / B + 2;
	while (l <= r) {
		md = (l + r) / 2;
		g = 0;
		for (i = 0; i < n; i++) {
			num = a[i] - B * md;
			if (num > 0) {
				g += num / (A - B);
				if (num % (A - B)) g++;
			}
		}
		if (g > md) l = md + 1;
		else {
			r = md - 1;
			ans = md;
		}
	}
	cout << ans;
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf ("%lld", &a[i]);
                        ^

Judge Result