#175734 (C) No.519 アイドルユニット

• 問題: No.519 アイドルユニット
• ユーザー: tails
• 提出日時: 2017-05-28 22:43:42
• 言語: C (gcc 12.3.0)
• 結果: AC
• 実行時間: 642 ms / 1,000 ms
• コード長: 512 bytes
• コンパイル時間: 218 ms
• コンパイル使用メモリ: 30,592 KB
• 実行使用メモリ: 67,328 KB
• 最終ジャッジ日時: 2024-10-03 03:50:06
• 合計ジャッジ時間: 6,178 ms
• ジャッジサーバーID （参考情報）: judge1 / judge5

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	640 ms; 67,328 KB
testcase_01	AC	630 ms; 67,236 KB
testcase_02	AC	149 ms; 18,048 KB
testcase_03	AC	10 ms; 5,248 KB
testcase_04	AC	0 ms; 5,248 KB
testcase_05	AC	1 ms; 5,248 KB
testcase_06	AC	0 ms; 5,248 KB
testcase_07	AC	1 ms; 5,248 KB
testcase_08	AC	1 ms; 5,248 KB
testcase_09	AC	1 ms; 5,248 KB
testcase_10	AC	3 ms; 5,248 KB
testcase_11	AC	9 ms; 5,248 KB
testcase_12	AC	1 ms; 5,248 KB
testcase_13	AC	10 ms; 5,248 KB
testcase_14	AC	10 ms; 5,248 KB
testcase_15	AC	9 ms; 5,248 KB
testcase_16	AC	10 ms; 5,248 KB
testcase_17	AC	10 ms; 5,248 KB
testcase_18	AC	10 ms; 5,248 KB
testcase_19	AC	10 ms; 5,248 KB
testcase_20	AC	9 ms; 5,248 KB
testcase_21	AC	10 ms; 5,248 KB
testcase_22	AC	10 ms; 5,248 KB
testcase_23	AC	10 ms; 5,248 KB
testcase_24	AC	38 ms; 5,888 KB
testcase_25	AC	38 ms; 5,760 KB
testcase_26	AC	38 ms; 5,888 KB
testcase_27	AC	36 ms; 5,888 KB
testcase_28	AC	37 ms; 5,888 KB
testcase_29	AC	642 ms; 67,200 KB
testcase_30	AC	641 ms; 67,324 KB
testcase_31	AC	636 ms; 67,328 KB
testcase_32	AC	638 ms; 67,328 KB
testcase_33	AC	1 ms; 5,248 KB

コンパイルメッセージ

main.c:1:1: warning: data definition has no type or storage class
    1 | f[24][24];
      | ^
main.c:1:1: warning: type defaults to 'int' in declaration of 'f' [-Wimplicit-int]
main.c:2:1: warning: data definition has no type or storage class
    2 | g[1<<24];
      | ^
main.c:2:1: warning: type defaults to 'int' in declaration of 'g' [-Wimplicit-int]
main.c:4:1: warning: return type defaults to 'int' [-Wimplicit-int]
    4 | main(){
      | ^~~~
main.c: In function 'main':
main.c:6:9: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    6 |         scanf("%d",&n);
      |         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | f[24][24];
main.c:6:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    6 |         scanf("%d",&n);
      |         ^~~~~
main.c:6:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:35:9: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   35 |         printf("%d",g[(1<<n)-1]);
      |         ^~~~~~
main.c:35:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:35:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:35:9: note: include '<stdio.h>' or provide a declaration of 'printf'

ソースコード

f[24][24];
g[1<<24];

main(){
	int n;
	scanf("%d",&n);
	for(int y=0;y<n;++y){
		for(int x=0;x<n;++x){
			scanf("%d",&f[y][x]);
		}
	}
	for(int j=0;j<n;++j){
		for(int i=0;i<n;++i){
			if(j-i){
				g[1<<j|1<<i]=f[j][i];
			}
		}
	}
	for(int k=1;k<1<<n;++k){
		if(!__builtin_parity(k)){
			int b=0;
			int j=0;
			while(!(k&1<<j))++j;
			for(int i=j+1;i<n;++i){
				if(k&1<<i){
					int d=g[k^1<<j^1<<i]+f[j][i];
					if(b<d){
						b=d;
					}
				}
			}
			g[k]=b;
		}
	}
	printf("%d",g[(1<<n)-1]);
	return 0;
}