結果

問題 No.101 ぐるぐる！あみだくじ！
ユーザー 👑 testestest
提出日時 2015-12-06 14:11:25
言語 C90
(gcc 12.3.0)
結果
AC  
実行時間 1 ms / 5,000 ms
コード長 494 bytes
コンパイル時間 395 ms
コンパイル使用メモリ 21,120 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-09-14 15:18:53
合計ジャッジ時間 1,687 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge5
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ファイルパターン 結果
sample AC * 3
other AC * 37
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.c:1:1: warning: data definition has no type or storage class
    1 | num[10];count;
      | ^~~
main.c:1:1: warning: type defaults to ‘int’ in declaration of ‘num’ [-Wimplicit-int]
main.c:1:9: warning: data definition has no type or storage class
    1 | num[10];count;
      |         ^~~~~
main.c:1:9: warning: type defaults to ‘int’ in declaration of ‘count’ [-Wimplicit-int]
main.c:2:1: warning: data definition has no type or storage class
    2 | check[101];
      | ^~~~~
main.c:2:1: warning: type defaults to ‘int’ in declaration of ‘check’ [-Wimplicit-int]
main.c:3:1: warning: data definition has no type or storage class
    3 | x[1000];y[1000];
      | ^
main.c:3:1: warning: type defaults to ‘int’ in declaration of ‘x’ [-Wimplicit-int]
main.c:3:9: warning: data definition has no type or storage class
    3 | x[1000];y[1000];
      |         ^
main.c:3:9: warning: type defaults to ‘int’ in declaration of ‘y’ [-Wimplicit-int]
main.c:5:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    5 | gcd(a,b){return b?gcd(b,a%b):a;}
      | ^~~
main.c: In function ‘gcd’:
main.c:5:1: warning: type of ‘a’ defaults to ‘int’ [-Wimplicit-int]
main.c:5:1: warning: type of ‘b’ defaults to ‘int’ [-Wimplicit-int]
main.c: At top level:
main.c:7:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    7 | lcm(int*a){
      | ^~~
main.c:13:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
   13 | main(){
      | ^~~~
main.c: In function ‘main’:
main.c:15:1: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
   15 | scanf("%d%d",&n,&k);
      | ^~~~~
main.c:1:1: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
  +++ |+#include <stdio.h>
    1 | num[10];count;
main.c:15:1: warning: incompatible implicit declaration of built-in function ‘scanf’ [-Wbuiltin-declaration-mismatch]
   15 | scanf("%d%d",&n,&k);
      | ^~~~~
main

ソースコード

diff # 

num[10];count;
check[101];
x[1000];y[1000];

gcd(a,b){return b?gcd(b,a%b):a;}

lcm(int*a){
if(a[1]==0)return *a;
a[1]*=*a/gcd(*a,a[1]);
return lcm(a+1);
}

main(){
int n,k,i,j,temp,times;
scanf("%d%d",&n,&k);
for(i=0;i<k;i++)scanf("%d%d",x+i,y+i);
for(i=1;i<=n;i++){
	if(check[i]++)continue;
	temp=i;
	times=0;
	do{
		for(j=0;j<k;j++){
			if(x[j]==temp)temp=y[j];
			else if(y[j]==temp)temp=x[j];
		}
		times++;
		check[temp]++;
	}while(temp!=i);
	num[count++]=times;
}
printf("%d",lcm(num));
}
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