#569588 (C) No.836 じょうよ

• 問題: No.836 じょうよ
• ユーザー: tails
• 提出日時: 2020-10-22 19:15:43
• 言語: C (gcc 12.3.0)
• 結果: AC
• 実行時間: 3 ms / 1,000 ms
• コード長: 607 bytes
• コンパイル時間: 218 ms
• コンパイル使用メモリ: 31,896 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-07-21 09:26:05
• 合計ジャッジ時間: 2,261 ms
• ジャッジサーバーID （参考情報）: judge1 / judge2

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	2 ms; 5,248 KB
testcase_01	AC	1 ms; 5,376 KB
testcase_02	AC	1 ms; 5,376 KB
testcase_03	AC	1 ms; 5,376 KB
testcase_04	AC	1 ms; 5,376 KB
testcase_05	AC	1 ms; 5,376 KB
testcase_06	AC	1 ms; 5,376 KB
testcase_07	AC	1 ms; 5,376 KB
testcase_08	AC	1 ms; 5,376 KB
testcase_09	AC	1 ms; 5,376 KB
testcase_10	AC	1 ms; 5,376 KB
testcase_11	AC	1 ms; 5,376 KB
testcase_12	AC	1 ms; 5,376 KB
testcase_13	AC	1 ms; 5,376 KB
testcase_14	AC	2 ms; 5,376 KB
testcase_15	AC	1 ms; 5,376 KB
testcase_16	AC	2 ms; 5,376 KB
testcase_17	AC	3 ms; 5,376 KB
testcase_18	AC	2 ms; 5,376 KB
testcase_19	AC	2 ms; 5,376 KB
testcase_20	AC	2 ms; 5,376 KB
testcase_21	AC	1 ms; 5,376 KB
testcase_22	AC	1 ms; 5,376 KB
testcase_23	AC	1 ms; 5,376 KB
testcase_24	AC	1 ms; 5,376 KB
testcase_25	AC	1 ms; 5,376 KB
testcase_26	AC	1 ms; 5,376 KB
testcase_27	AC	1 ms; 5,376 KB
testcase_28	AC	1 ms; 5,376 KB
testcase_29	AC	1 ms; 5,376 KB
testcase_30	AC	1 ms; 5,376 KB
testcase_31	AC	1 ms; 5,376 KB
testcase_32	AC	1 ms; 5,376 KB
testcase_33	AC	1 ms; 5,376 KB
testcase_34	AC	1 ms; 5,376 KB
testcase_35	AC	1 ms; 5,376 KB
testcase_36	AC	1 ms; 5,376 KB
testcase_37	AC	2 ms; 5,376 KB
testcase_38	AC	1 ms; 5,376 KB
testcase_39	AC	1 ms; 5,376 KB
testcase_40	AC	1 ms; 5,376 KB

コンパイルメッセージ

main.c:6:1: warning: return type defaults to 'int' [-Wimplicit-int]
    6 | main(){
      | ^~~~
main.c: In function 'main':
main.c:9:9: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    9 |         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:9:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    9 |         scanf("%ld%ld%d",&l,&r,&n);
      |         ^~~~~
main.c:9:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:14:19: warning: implicit declaration of function 'sprintf' [-Wimplicit-function-declaration]
   14 |         int s0len=sprintf(s0,"%ld\n",d);
      |                   ^~~~~~~
main.c:14:19: note: include '<stdio.h>' or provide a declaration of 'sprintf'
main.c:14:19: warning: incompatible implicit declaration of built-in function 'sprintf' [-Wbuiltin-declaration-mismatch]
main.c:14:19: note: include '<stdio.h>' or provide a declaration of 'sprintf'
main.c:22:30: warning: implicit declaration of function 'memcpy' [-Wimplicit-function-declaration]
   22 |                 for(;i<l;++i)memcpy(w,s0,s0len),w+=s0len;
      |                              ^~~~~~
main.c:1:1: note: include '<string.h>' or provide a declaration of 'memcpy'
  +++ |+#include <string.h>
    1 | #pragma GCC optimize("Ofast")
main.c:22:30: warning: incompatible implicit declaration of built-in function 'memcpy' [-Wbuiltin-declaration-mismatch]
   22 |                 for(;i<l;++i)memcpy(w,s0,s0len),w+=s0len;
      |                              ^~~~~~
main.c:22:30: note: include '<string.h>' or provide a declaration of 'memcpy'
main.c:23:30: warning: incompatible implicit declaration of built-in function 'memcpy' [-Wbuiltin-declaration-mismatch]
   23 |                 for(;i<r;++i)memcpy(w,s1,s1len),w+=s1len;
      |     

ソースコード

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

char buf[3200000];

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;
	char*w=buf;
	int i=0;
	if(l<=r){
		for(;i<l;++i)memcpy(w,s0,s0len),w+=s0len;
		for(;i<r;++i)memcpy(w,s1,s1len),w+=s1len;
		for(;i<n;++i)memcpy(w,s0,s0len),w+=s0len;
	}else{
		for(;i<r;++i)memcpy(w,s1,s1len),w+=s1len;
		for(;i<l;++i)memcpy(w,s0,s0len),w+=s0len;
		for(;i<n;++i)memcpy(w,s1,s1len),w+=s1len;
	}

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