Submission #1774975


Source Code Expand

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

Submission Info

Submission Time
Task A - 2点間距離の最大値 ( The longest distance )
User ft24
Language C (GCC 5.4.1)
Score 100
Code Size 432 Byte
Status
Exec Time 1 ms
Memory 128 KB

Compile Error

./Main.c: In function ‘main’:
./Main.c:7:1: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d",&n);
 ^
./Main.c:9:1: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d%d",&x[i],&y[i]);
 ^

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