結果

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 13.3.0)
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
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 32
権限があれば一括ダウンロードができます
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

diff # 

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);
}
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