Submission #1051540

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Source Code Expand

#include <stdio.h>
int main (void){
    int r1,r2;
    scanf("%d %d",&r1,&r2);
    printf("%lf\n",(1/(1/(double)r1+1/(double)r2)));
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:4:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&r1,&r2);
     ^

Judge Result