Submission #1386899

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Source Code Expand

#include <stdio.h>

int main (int argc, char **argv)
{
    double n, e;
    scanf("%lf", &n);

    // 1..n　の数列の和を求めてから期待値を求める
    e = ((1+n) / 2) * 10000;

    printf("%.0lf\n", e);
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:6:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lf", &n);
     ^

Judge Result