Submission #1613389

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <math.h>
 
using namespace std;  
typedef long long LL;
 
int N, A, B, h[(int)1e5];
 
bool judge(LL K) {
    LL sum = 0;
    for(int i = 0; i < N; i++) {
        LL t = (LL)h[i]-K*B;
        if (t > 0) {
            sum += (int)ceil(t*1.0/(A-B));
            if(sum > K)
                return false;
        }
    }
    return true;
}
 
int main()
{
    cin >> N >> A >> B;
 
    for (int i = 0; i < N; i++)
        scanf("%d", &h[i]);
 
    LL low = 0, high = (int)1e9;
 
    while (low < high) {
        LL mid = (low + high) / 2;
        if (judge(mid))
            high = mid;
        else
            low = mid+1;
    }
 
    cout << low << endl;
 
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:28:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &h[i]);
                           ^

Judge Result