Submission #3830960

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Source Code Expand

#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;
double d(int a,int b)
{    
    return sqrt(a*a+b*b);
}
int main()
{    
    int n,x[101],y[101],i,j;
    double maxn=-1;    
    cin>>n;    
    for(i=0;i<n;i++) scanf("%d%d",&x[i],&y[i]);    
    for(i=0;i<n;i++)    
    {        
        for(j=0;j<n;j++)            
        maxn=max(maxn,d(x[i]-x[j],y[i]-y[j]));
    }   
    printf("%f\n",maxn);   
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:14:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     for(i=0;i<n;i++) scanf("%d%d",&x[i],&y[i]);    
                                               ^

Judge Result