AtCoder Regular Contest 004

Submission #1774930

Source codeソースコード

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ctype.h>
#include <limits.h>	
#define inf (INT_MAX-1)
#define INF 9223372036854775807
#define sq(n) ((n)*(n))
#define rep(i,n) for(i=0;i<n;i++)
#define rev(i,n) for(i=n-1;i>=0;i--)
#define sort(a,n) qsort(a,n,sizeof(TYPE),cmp)
#define sort_r(a,n) qsort(a,n,sizeof(TYPE),cmp_r);
#define TYPE int
#define MEMSET(a) memset(a,0,sizeof(a))
const int mod=(int)1e09+7;

int in(void){
	int i;scanf("%d",&i);
	return i;
}
long long llin(void){
	long long i;scanf("%lld",&i);
	return i;
}
double din(void){
	double i;scanf("%lf",&i);
	return i;
}
void chin(char s[]){
	scanf("%s",s);
}
void print(int a){
	printf("%d\n",a);
}
void llprint(long long a){
	printf("%lld\n",a);
}
void dprint(double a){
	printf("%.10f\n",a);
}
void print2(int a,int b){
	printf("%d %d\n",a,b);
}
long long max(long long a,long long b){
	return a>b?a:b;
}
long long min(long long a,long long b){
	return a<b?a:b;
}
long long llabs(long long a){
	return a>0?a:-a;
}
double dmax(double a,double b){
	return a>b?a:b;
}
int cmp(const void *a,const void *b){
	return *(TYPE *)a-*(TYPE *)b;
}
int cmp_r(const void *a,const void *b){
	return *(TYPE *)b-*(TYPE *)a;
}

int main(void){
	int n=in(),x[100],y[100],i,j,m=0;
	rep(i,n){
		x[i]=in();
		y[i]=in();
	}
	rep(i,n){
		rep(j,n){
			m=max(m,sq(x[i]-x[j])+sq(y[i]-y[j]));
		}
	}
	dprint(sqrt(m));
	return 0;
}

Submission

Task問題 A - 2点間距離の最大値 ( The longest distance )
User nameユーザ名 f_t_ikt
Created time投稿日時
Language言語 C (GCC 5.4.1)
Status状態 AC
Score得点 100
Source lengthソースコード長 1484 Byte
File nameファイル名
Exec time実行時間 1 ms
Memory usageメモリ使用量 128 KB

Compiler messageコンパイルメッセージ

./Main.c: In function ‘in’:
./Main.c:19:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
int i;scanf("%d",&i);
^
./Main.c: In function ‘llin’:
./Main.c:23:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
long long i;scanf("%lld",&i);
^
./Main.c: In function ‘din’:
./Main.c:27:11: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
double i;scanf("%lf",&i);
^
./Main.c: In function ‘chin’:
./Main.c:31:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%s",s);
^

Test case

Set

Set name Score得点 / Max score 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

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
00_max.txt AC 1 ms 128 KB
00_sample_01.txt AC 1 ms 128 KB
00_sample_02.txt AC 1 ms 128 KB
00_sample_03.txt AC 1 ms 128 KB
00_sample_04.txt AC 1 ms 128 KB
00_sample_05.txt AC 1 ms 128 KB
01_rnd_00.txt AC 1 ms 128 KB
01_rnd_01.txt AC 1 ms 128 KB
01_rnd_02.txt AC 1 ms 128 KB
01_rnd_03.txt AC 1 ms 128 KB
01_rnd_04.txt AC 1 ms 128 KB
01_rnd_05.txt AC 1 ms 128 KB
01_rnd_06.txt AC 1 ms 128 KB
01_rnd_07.txt AC 1 ms 128 KB
01_rnd_08.txt AC 1 ms 128 KB
01_rnd_09.txt AC 1 ms 128 KB
01_rnd_10.txt AC 1 ms 128 KB
01_rnd_11.txt AC 1 ms 128 KB
01_rnd_12.txt AC 1 ms 128 KB
01_rnd_13.txt AC 1 ms 128 KB
01_rnd_14.txt AC 1 ms 128 KB
01_rnd_15.txt AC 1 ms 128 KB
01_rnd_16.txt AC 1 ms 128 KB
01_rnd_17.txt AC 1 ms 128 KB
01_rnd_18.txt AC 1 ms 128 KB
01_rnd_19.txt AC 1 ms 128 KB