Submission #4036820

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
struct node{
    int x,y;
}a[100+5];
int main(){
    int n;
    scanf ("%d",&n);
    double ans=0.0;
    for (int i=0;i<n;i++)
        scanf ("%d%d",&a[i].x,&a[i].y);
    for (int i=0;i<n;i++)
        for (int j=i+1;j<n;j++){
            double dis=sqrt((a[i].x-a[j].x)*(a[i].x-a[j].x)+(a[i].y-a[j].y)*(a[i].y-a[j].y));
            ans=max(ans,dis);
        }
    printf ("%.3f",ans);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf ("%d",&n);
                    ^
./Main.cpp:11:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf ("%d%d",&a[i].x,&a[i].y);
                                       ^

Judge Result