#264241 (C) No.697 池の数はいくつか

• 問題: No.697 池の数はいくつか
• ユーザー: tails
• 提出日時: 2018-06-09 18:13:36
• 言語: C (gcc 12.3.0)
• 結果: AC
• 実行時間: 885 ms / 6,000 ms
• コード長: 393 bytes
• コンパイル時間: 439 ms
• コンパイル使用メモリ: 29,568 KB
• 実行使用メモリ: 10,880 KB
• 最終ジャッジ日時: 2024-11-08 07:36:15
• 合計ジャッジ時間: 8,060 ms
• ジャッジサーバーID （参考情報）: judge5 / judge4

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1 ms; 5,248 KB
testcase_01	AC	1 ms; 5,248 KB
testcase_02	AC	1 ms; 5,248 KB
testcase_03	AC	1 ms; 5,248 KB
testcase_04	AC	1 ms; 5,248 KB
testcase_05	AC	1 ms; 5,248 KB
testcase_06	AC	1 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	1 ms; 5,248 KB
testcase_11	AC	1 ms; 5,248 KB
testcase_12	AC	1 ms; 5,248 KB
testcase_13	AC	1 ms; 5,248 KB
testcase_14	AC	1 ms; 5,248 KB
testcase_15	AC	1 ms; 5,248 KB
testcase_16	AC	1 ms; 5,248 KB
testcase_17	AC	1 ms; 5,248 KB
testcase_18	AC	1 ms; 5,248 KB
testcase_19	AC	1 ms; 5,248 KB
testcase_20	AC	1 ms; 5,248 KB
testcase_21	AC	1 ms; 5,248 KB
testcase_22	AC	1 ms; 5,248 KB
testcase_23	AC	1 ms; 5,248 KB
testcase_24	AC	101 ms; 5,248 KB
testcase_25	AC	98 ms; 5,248 KB
testcase_26	AC	98 ms; 5,248 KB
testcase_27	AC	100 ms; 5,248 KB
testcase_28	AC	99 ms; 5,248 KB
testcase_29	AC	745 ms; 10,880 KB
testcase_30	AC	878 ms; 10,496 KB
testcase_31	AC	750 ms; 10,880 KB
testcase_32	AC	885 ms; 10,624 KB
testcase_33	AC	882 ms; 10,624 KB
testcase_34	AC	877 ms; 10,624 KB

コンパイルメッセージ

main.c:2:1: warning: data definition has no type or storage class
    2 | h,w;r;
      | ^
main.c:2:1: warning: type defaults to 'int' in declaration of 'h' [-Wimplicit-int]
main.c:2:3: warning: type defaults to 'int' in declaration of 'w' [-Wimplicit-int]
    2 | h,w;r;
      |   ^
main.c:2:5: warning: data definition has no type or storage class
    2 | h,w;r;
      |     ^
main.c:2:5: warning: type defaults to 'int' in declaration of 'r' [-Wimplicit-int]
main.c:3:1: warning: return type defaults to 'int' [-Wimplicit-int]
    3 | f(y,x,l,r){
      | ^
main.c: In function 'f':
main.c:3:1: warning: type of 'y' defaults to 'int' [-Wimplicit-int]
main.c:3:1: warning: type of 'x' defaults to 'int' [-Wimplicit-int]
main.c:3:1: warning: type of 'l' defaults to 'int' [-Wimplicit-int]
main.c:3:1: warning: type of 'r' defaults to 'int' [-Wimplicit-int]
main.c: At top level:
main.c:12:1: warning: return type defaults to 'int' [-Wimplicit-int]
   12 | main(y,x){
      | ^~~~
main.c: In function 'main':
main.c:12:1: warning: type of 'y' defaults to 'int' [-Wimplicit-int]
main.c:12:1: warning: type of 'x' defaults to 'int' [-Wimplicit-int]
main.c:13:9: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
   13 |         scanf("%d%d",&h,&w);
      |         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | char a[3010][3010];
main.c:13:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
   13 |         scanf("%d%d",&h,&w);
      |         ^~~~~
main.c:13:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:27:9: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   27 |         printf("%d",r);
      |         ^~~~~~
main.c:27:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:27:9: warning: incompatible implicit declaration of built-in function 'printf' [-

ソースコード

char a[3010][3010];
h,w;r;
f(y,x,l,r){
	l=r=x;
	while(a[y][l-1])a[y][--l]=0;
	while(a[y][r])a[y][r++]=0;
	for(x=l;x<r;++x){
		if(a[y-1][x])f(y-1,x);
		if(a[y+1][x])f(y+1,x);
	}
}
main(y,x){
	scanf("%d%d",&h,&w);
	for(y=1;y<=h;++y){
		for(x=1;x<=w;++x){
			scanf("%d",&a[y][x]);
		}
	}
	for(y=1;y<=h;++y){
		for(x=1;x<=w;++x){
			if(a[y][x]){
				++r;
				f(y,x);
			}
		}
	}
	printf("%d",r);
}