Submission #1818991


Source Code Expand

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# include <stdio.h>
# include <math.h>

int main(void){
	int n;
	double max = 0;
	double d;
	scanf("%d",&n);
	
	int x[n],y[n];
	int i;
	for(i = 0;i < n; i++){
		scanf("%d",&x[i]);
		scanf("%d",&y[i]);
	}
	
	int j;
	for(j = 0;j < n; j++){
		int k;
		double a, b;
		for(k = 0; k < j; k++){
			a = pow((x[j] - x[k]), 2);
			b = pow((y[j] - y[k]), 2);
			d = sqrt(a + b);
			if(d > max){
				max = d;
			} 
		}
	}
	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 ReiAkiduki
Language C (GCC 5.4.1)
Score 100
Code Size 474 Byte
Status
Exec Time 1 ms
Memory 128 KB

Compile Error

./Main.c: In function ‘main’:
./Main.c:8:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ^
./Main.c:13:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&x[i]);
   ^
./Main.c:14:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&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