Submission #2148221

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Source Code Expand

#include<stdio.h>
#include<math.h>
int main()
{
    int n;
    scanf("%d", &n);
    int x[100], y[100];
    int i, j;
    for (i = 0; i < n; i++)
        scanf("%d %d", &x[i], &y[i]);
    double d;
    double max = 0;
    for (i = 0; i < n; i++)
    {
        for (j = 0; j < n; j++)
        {
            if (i == j)
                continue;
            d = sqrt(pow(x[i] - x[j], 2) + pow(y[i] - y[j], 2));
            if (max < d)
                max = d;
        }
    }
    printf("%.20lf\n", max);
    return 0;
}

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("%d", &n);
     ^
./Main.c:10:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &x[i], &y[i]);
         ^

Judge Result