Submission #285338

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Source Code Expand

#include <stdio.h>

int main(void)
{
    double  m;   //メートル
    int w;  //通報式
    double k;   //キロメートル
    
    scanf("%lf", &m);
    
    k = m / 1000;  //単位変換
    
    if ( k < 0.1 ) {
       w = 0;
       printf("%02d\n", w);
    } else if ( 0.1 <= k && k <= 5 ) {
       w = k * 10;
       printf("%02d\n", w);
    } else if ( 6 <= k && k <= 30 ) {
       w = k + 50;
       printf("%2d\n", w);
    } else if ( 35 <= k && k <= 70 ) {
       w = (k - 30) / 5 + 80;
       printf("%2d\n", w);
    } else if ( k >= 70 ) {
       w = 89;
       printf("%2d\n", w);
    }
    
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:9:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result