#63464 (C90) No.314 ケンケンパ

• 問題: No.314 ケンケンパ
• ユーザー: ciel
• 提出日時: 2015-12-07 00:32:37
• 言語: C90 (gcc 11.4.0)
• 結果: AC
• 実行時間: 98 ms / 1,000 ms
• コード長: 263 bytes
• コンパイル時間: 1,062 ms
• コンパイル使用メモリ: 23,140 KB
• 実行使用メモリ: 80,036 KB
• 最終ジャッジ日時: 2023-10-12 18:41:40
• 合計ジャッジ時間: 2,193 ms
• ジャッジサーバーID （参考情報）: judge12 / judge13

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	95 ms; 78,520 KB
testcase_01	AC	1 ms; 4,368 KB
testcase_02	AC	1 ms; 4,368 KB
testcase_03	AC	1 ms; 4,368 KB
testcase_04	AC	0 ms; 4,368 KB
testcase_05	AC	1 ms; 4,368 KB
testcase_06	AC	0 ms; 4,368 KB
testcase_07	AC	1 ms; 4,372 KB
testcase_08	AC	1 ms; 4,368 KB
testcase_09	AC	1 ms; 4,368 KB
testcase_10	AC	1 ms; 4,372 KB
testcase_11	AC	1 ms; 4,368 KB
testcase_12	AC	1 ms; 4,372 KB
testcase_13	AC	1 ms; 4,372 KB
testcase_14	AC	1 ms; 4,372 KB
testcase_15	AC	2 ms; 4,372 KB
testcase_16	AC	4 ms; 4,368 KB
testcase_17	AC	11 ms; 9,516 KB
testcase_18	AC	48 ms; 39,156 KB
testcase_19	AC	98 ms; 80,036 KB

コンパイルメッセージ

main.c: In function ‘dfs’:
main.c:5:7: warning: type defaults to ‘int’ in declaration of ‘x’ [-Wimplicit-int]
  auto x=(d<<3)|(k<<1)|p;
       ^
main.c: At top level:
main.c:9:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
 main(){
 ^~~~
main.c: In function ‘main’:
main.c:10:2: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
  scanf("%d",&n);
  ^~~~~
main.c:10:2: warning: incompatible implicit declaration of built-in function ‘scanf’
main.c:10:2: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
main.c:1:1:
+#include <stdio.h>
 int memo[8000008],n;
main.c:10:2:
  scanf("%d",&n);
  ^~~~~
main.c:11:5: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
  n=!printf("%d\n",dfs(2,0,n));
     ^~~~~~
main.c:11:5: warning: incompatible implicit declaration of built-in function ‘printf’
main.c:11:5: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’

ソースコード

int memo[8000008],n;
int dfs(int k,int p,int d){
	if(k<0||p<0)return 0;
	if(d==0)return 1;
	auto x=(d<<3)|(k<<1)|p;
	if(memo[x])return memo[x];
	return memo[x]=(dfs(k-1,1,d-1)+dfs(2,p-1,d-1))%1000000007;
}
main(){
	scanf("%d",&n);
	n=!printf("%d\n",dfs(2,0,n));
}