Submission #1695140


Source Code Expand

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#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

Submission Time
Task A - 2点間距離の最大値 ( The longest distance )
User Ojin
Language C (GCC 5.4.1)
Score 100
Code Size 495 Byte
Status
Exec Time 1 ms
Memory 128 KB

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

Set Name Score / Max Score Test Cases
All 100 / 100 00_max.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt
Case Name Status Exec Time Memory
00_max.txt 1 ms 128 KB
00_sample_01.txt 1 ms 128 KB
00_sample_02.txt 1 ms 128 KB
00_sample_03.txt 1 ms 128 KB
00_sample_04.txt 1 ms 128 KB
00_sample_05.txt 1 ms 128 KB
01_rnd_00.txt 1 ms 128 KB
01_rnd_01.txt 1 ms 128 KB
01_rnd_02.txt 1 ms 128 KB
01_rnd_03.txt 1 ms 128 KB
01_rnd_04.txt 1 ms 128 KB
01_rnd_05.txt 1 ms 128 KB
01_rnd_06.txt 1 ms 128 KB
01_rnd_07.txt 1 ms 128 KB
01_rnd_08.txt 1 ms 128 KB
01_rnd_09.txt 1 ms 128 KB
01_rnd_10.txt 1 ms 128 KB
01_rnd_11.txt 1 ms 128 KB
01_rnd_12.txt 1 ms 128 KB
01_rnd_13.txt 1 ms 128 KB
01_rnd_14.txt 1 ms 128 KB
01_rnd_15.txt 1 ms 128 KB
01_rnd_16.txt 1 ms 128 KB
01_rnd_17.txt 1 ms 128 KB
01_rnd_18.txt 1 ms 128 KB
01_rnd_19.txt 1 ms 128 KB