Submission #2443251

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Source Code Expand

#include<cstdio>
#include<cmath>
#include<algorithm>
using namespace std;

const int maxn=100+2;
int n,x[101],y[101];
double deltax,deltay;
double ans;

double dis(int i,int j)
{
    deltax=x[i]-x[j];
    deltay=y[i]-y[j];
    return sqrt(pow(deltax,2)+pow(deltay,2));
}

int main()
{
    scanf("%d",&n);
    for(int i=0;i<n;i++){
        scanf("%d %d",&x[i],&y[i]);
    }
    for(int i=0;i<n-1;i++){
        for(int j=i;j<n;j++){
            ans=max(ans,dis(i,j));
        }
    }
    printf("%.6lf",ans);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:20:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
./Main.cpp:22:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d",&x[i],&y[i]);
                                   ^

Judge Result