#138444 (C90) No.463 魔法使いのすごろく🎲

• 問題: No.463 魔法使いのすごろく🎲
• ユーザー: tails
• 提出日時: 2016-12-14 00:40:56
• 言語: C90 (gcc 11.4.0)
• 結果: WA
• 実行時間: -
• コード長: 456 bytes
• コンパイル時間: 203 ms
• コンパイル使用メモリ: 21,504 KB
• 実行使用メモリ: 6,944 KB
• 最終ジャッジ日時: 2024-05-07 10:08:26
• 合計ジャッジ時間: 2,765 ms
• ジャッジサーバーID （参考情報）: judge3 / judge4

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	35 ms; 5,248 KB
testcase_01	AC	8 ms; 5,376 KB
testcase_02	AC	11 ms; 5,376 KB
testcase_03	AC	1 ms; 5,376 KB
testcase_04	AC	12 ms; 5,376 KB
testcase_05	AC	11 ms; 5,376 KB
testcase_06	AC	1 ms; 5,376 KB
testcase_07	AC	3 ms; 5,376 KB
testcase_08	AC	12 ms; 5,376 KB
testcase_09	AC	34 ms; 5,376 KB
testcase_10	AC	6 ms; 5,376 KB
testcase_11	AC	65 ms; 5,376 KB
testcase_12	AC	35 ms; 5,376 KB
testcase_13	AC	1 ms; 5,376 KB
testcase_14	AC	54 ms; 5,376 KB
testcase_15	AC	79 ms; 5,376 KB
testcase_16	AC	2 ms; 5,376 KB
testcase_17	AC	93 ms; 5,376 KB
testcase_18	AC	1 ms; 5,376 KB
testcase_19	AC	8 ms; 5,376 KB
testcase_20	WA	-
testcase_21	AC	147 ms; 5,376 KB
testcase_22	AC	305 ms; 5,376 KB
testcase_23	AC	292 ms; 5,376 KB
testcase_24	AC	10 ms; 5,376 KB
testcase_25	WA	-
testcase_26	WA	-
testcase_27	WA	-
testcase_28	AC	182 ms; 5,376 KB
testcase_29	WA	-
testcase_30	WA	-
testcase_31	WA	-
testcase_32	WA	-
testcase_33	WA	-
testcase_34	WA	-
testcase_35	AC	0 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

コンパイルメッセージ

main.c:3:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    3 | main(n,m,h,i,j,k){
      | ^~~~
main.c: In function ‘main’:
main.c:3:1: warning: type of ‘n’ defaults to ‘int’ [-Wimplicit-int]
main.c:3:1: warning: type of ‘m’ defaults to ‘int’ [-Wimplicit-int]
main.c:3:1: warning: type of ‘h’ defaults to ‘int’ [-Wimplicit-int]
main.c:3:1: warning: type of ‘i’ defaults to ‘int’ [-Wimplicit-int]
main.c:3:1: warning: type of ‘j’ defaults to ‘int’ [-Wimplicit-int]
main.c:3:1: warning: type of ‘k’ defaults to ‘int’ [-Wimplicit-int]
main.c:5:9: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
    5 |         scanf("%d%d",&n,&m);
      |         ^~~~~
main.c:1:1: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
  +++ |+#include <stdio.h>
    1 | double c[110],e0[110],e1[110];
main.c:5:9: warning: incompatible implicit declaration of built-in function ‘scanf’ [-Wbuiltin-declaration-mismatch]
    5 |         scanf("%d%d",&n,&m);
      |         ^~~~~
main.c:5:9: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
main.c:29:9: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
   29 |         printf("%.10f\n",e0[1]);
      |         ^~~~~~
main.c:29:9: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
main.c:29:9: warning: incompatible implicit declaration of built-in function ‘printf’ [-Wbuiltin-declaration-mismatch]
main.c:29:9: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’

ソースコード

double c[110],e0[110],e1[110];

main(n,m,h,i,j,k){

	scanf("%d%d",&n,&m);
	for(i=2;i<n;++i){
		scanf("%lf",&c[i]);
	}

	for(h=0;h<10000;++h){
		for(i=n;--i;){
			e0[i]=0;
			e1[i]=0;
			for(j=i+1;j<=i+m;++j){
				k=j<n?j:n*2-j;
				e0[i]+=e0[k]+c[k];
				e1[i]+=e1[k]+c[k];
			}
			e0[i]/=m;
			e1[i]/=m;
			for(j=i+1;j<=i+m;++j){
				k=j<n?j:n*2-j;
				if(e0[i]>e1[k]+c[k]){
					e0[i]=e1[k]+c[k];
				}
			}
		}
	}
	printf("%.10f\n",e0[1]);
	return 0;
}