結果

問題 No.836 じょうよ
コンテスト
ユーザー tails
提出日時 2020-10-22 19:34:12
言語 C
(gcc 13.3.0)
結果
AC  
実行時間 2 ms / 1,000 ms
コード長 665 bytes
コンパイル時間 294 ms
コンパイル使用メモリ 30,080 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-07-21 09:26:28
合計ジャッジ時間 1,506 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge3
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ファイルパターン 結果
other AC * 41
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: In function 'cp':
main.c:8:17: warning: implicit declaration of function 'memcpy' [-Wimplicit-function-declaration]
    8 |                 memcpy(w,s,slen);
      |                 ^~~~~~
main.c:1:1: note: include '<string.h>' or provide a declaration of 'memcpy'
  +++ |+#include <string.h>
    1 | #pragma GCC optimize("Ofast")
main.c:8:17: warning: incompatible implicit declaration of built-in function 'memcpy' [-Wbuiltin-declaration-mismatch]
    8 |                 memcpy(w,s,slen);
      |                 ^~~~~~
main.c:8:17: note: include '<string.h>' or provide a declaration of 'memcpy'
main.c: At top level:
main.c:24:1: warning: return type defaults to 'int' [-Wimplicit-int]
   24 | main(){
      | ^~~~
main.c: In function 'main':
main.c:27:9: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
   27 |         scanf("%ld%ld%d",&l,&r,&n);
      |         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #pragma GCC optimize("Ofast")
main.c:27:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
   27 |         scanf("%ld%ld%d",&l,&r,&n);
      |         ^~~~~
main.c:27:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:32:19: warning: implicit declaration of function 'sprintf' [-Wimplicit-function-declaration]
   32 |         int s0len=sprintf(s0,"%ld\n",d);
      |                   ^~~~~~~
main.c:32:19: note: include '<stdio.h>' or provide a declaration of 'sprintf'
main.c:32:19: warning: incompatible implicit declaration of built-in function 'sprintf' [-Wbuiltin-declaration-mismatch]
main.c:32:19: note: include '<stdio.h>' or provide a declaration of 'sprintf'
main.c:48:9: warning: implicit declaration of function 'write' [-Wimplicit-function-declaration]
   48 |         write(1,buf,w-buf);
      |         ^~~~~
main.c:49:9: warning: implicit declaration of function '_exit'; did

ソースコード

diff # 

#pragma GCC optimize("Ofast")
#pragma GCC target("avx")

char buf[3200000],*w=buf;

void cp(char*s,int slen,int num){
	if(num){
		memcpy(w,s,slen);
		s=w;
		w+=slen;
		--num;
		int m=1;
		while(num){
			if(m>num) m=num;
			int t=slen*m;
			memcpy(w,s,t);
			w+=t;
			num-=m;
			m<<=1;
		}
	}
}

main(){
	long l,r;
	int n;
	scanf("%ld%ld%d",&l,&r,&n);
	++r;

	long d=(r-l)/n;
	char s0[32],s1[32];
	int s0len=sprintf(s0,"%ld\n",d);
	int s1len=sprintf(s1,"%ld\n",d+1);

	l%=n;
	r%=n;
	int i=0;
	if(l<=r){
		cp(s0,s0len,l);
		cp(s1,s1len,r-l);
		cp(s0,s0len,n-r);
	}else{
		cp(s1,s1len,r);
		cp(s0,s0len,l-r);
		cp(s1,s1len,n-l);
	}

	write(1,buf,w-buf);
	_exit(0);
}
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