Submission #1864645


Source Code Expand

#include <cstdio>
typedef long long ll;
ll n, a, b, l=1, r=1e18, m, ans, h[100005];

bool f(ll p) {
	ll i, c=0;
	for(i=0; i<n; i++)
		c += h[i]>p*b ? (h[i]-p*b+a-1)/a : 0;
	return c<=p;
}

int main() {
	scanf("%lld%lld%lld", &n, &a, &b);
	a -= b;
	for(ll i=0; i<n; i++) scanf("%lld", &h[i]);
	while(l<r) {
		m = (l+r) / 2;
		if(f(m)) r = m;
		else l = m+1;
	}
	printf("%lld", r);
	return 0;
}

Submission Info

Submission Time
Task D - Widespread
User t1234
Language C++14 (GCC 5.4.1)
Score 0
Code Size 416 Byte
Status WA
Exec Time 75 ms
Memory 896 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld", &n, &a, &b);
                                   ^
./Main.cpp:15:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for(ll i=0; i<n; i++) scanf("%lld", &h[i]);
                                            ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
AC × 3
AC × 10
WA × 3
Set Name Test Cases
Sample a01, a02, a03
All a01, a02, a03, b04, b05, b06, b07, b08, b09, b10, b11, b12, b13
Case Name Status Exec Time Memory
a01 AC 1 ms 128 KB
a02 AC 1 ms 128 KB
a03 AC 1 ms 128 KB
b04 AC 1 ms 128 KB
b05 WA 59 ms 896 KB
b06 AC 36 ms 896 KB
b07 AC 30 ms 896 KB
b08 AC 28 ms 896 KB
b09 AC 16 ms 896 KB
b10 WA 75 ms 896 KB
b11 AC 20 ms 896 KB
b12 WA 66 ms 896 KB
b13 AC 40 ms 896 KB