Submission #2107133

---

Source Code Expand

#include<bits/stdc++.h>
using namespace std;

int N;
int S,T;

int main()
{
    scanf("%d",&N);
    scanf("%d%d",&S,&T);
    int ans = 0;
    while(1)
    {
        if(T == 1)
        {
            if(S == 1)printf("%d\n",ans);
            else printf("-1\n");
            return 0;
        }
        if(T == S)
        {
            printf("%d\n",ans);
            return 0;
        }
        T = T / 2;
        ans++;
    }
    printf("-1\n");
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&N);
                   ^
./Main.cpp:10:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&S,&T);
                        ^

Judge Result