Submission #2310594

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int a[101], b[101];
double ans = 0;
double dis(int i, int j)
{
    int xx = a[i] - a[j], yy = b[i] - b[j];
    return sqrt((xx * xx) + (yy * yy));
}
int main()
{
    int n;
    scanf("%d",&n);
    for(int i = 1; i <= n; i++)
        scanf("%d%d",&a[i],&b[i]);
    for(int i = 1; i < n; i++)
        for(int j = i + 1; j <= n; j++)
            ans = max(ans,dis(i,j));
    printf("%.6f",ans);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
./Main.cpp:15:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&a[i],&b[i]);
                                  ^

Judge Result