Submission #1114579

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Source Code Expand

#include<cstdio>
using namespace std;
bool check(long long n, long long m, long long x) {
    if(n < x) {
        long long target = x - n;
        m -= target * 2;
    }
    return m >= x * 2;
}
int main() {
    long long n, m;
    scanf("%lld %lld", &n, &m);
    long long l = 0, r = m;
    while(l<r) {
        long long mid = (l+r+1)/2;
        if(check(n, m, mid)) {
            l = mid;
        } else {
            r = mid-1;
        }
    }
    printf("%lld\n", l);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld %lld", &n, &m);
                               ^

Judge Result