Submission #1695140

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Source Code Expand

#include <stdio.h>
#include <math.h>
typedef struct t_xy{
    float x;
    float y;
}p;
int main(void){
    int i,j,n;
    double x,y,c,max=0;
    struct t_xy p[100+1];
    scanf("%d",&n);
    
    for(i=0;i<n;i++){
        scanf("%f %f",&p[i].x,&p[i].y);
    }
    for(i=0;i<n;i++){
        for(j=i+1;j<n;j++){
            x=p[i].x-p[j].x,y=p[i].y-p[j].y;
            c=sqrt(x*x+y*y);
            if(c>max)max=c;
        }
    }
    printf("%f\n",max);
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:11:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ^
./Main.c:14:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%f %f",&p[i].x,&p[i].y);
         ^

Judge Result