Submission #1309941

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Source Code Expand

#include <cstdio>

int main(void)
{
    int n,a,b;

    //freopen("x.in","r",stdin);

    scanf("%d %d %d",&n,&a,&b);
    if(a > b)
        return puts("0"),0;
    if(n == 1)
        return (a == b ? puts("1") : puts("0")),0;
    n -= 2;
    printf("%lld\n",1ll * n * b - 1ll * n * a + 1);

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d",&n,&a,&b);
                               ^

Judge Result