結果

問題 No.608 God's Maze
ユーザー tailstails
提出日時 2017-12-08 00:52:54
言語 C
(gcc 13.3.0)
結果
AC  
実行時間 1,565 ms / 2,000 ms
コード長 489 bytes
コンパイル時間 249 ms
コンパイル使用メモリ 29,568 KB
実行使用メモリ 6,824 KB
最終ジャッジ日時 2024-11-29 19:23:59
合計ジャッジ時間 3,449 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge4
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ファイルパターン 結果
other AC * 65
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:1:1: warning: data definition has no type or storage class
    1 | n;l;i;j;r1;r2;
      | ^
main.c:1:1: warning: type defaults to 'int' in declaration of 'n' [-Wimplicit-int]
main.c:1:3: warning: data definition has no type or storage class
    1 | n;l;i;j;r1;r2;
      |   ^
main.c:1:3: warning: type defaults to 'int' in declaration of 'l' [-Wimplicit-int]
main.c:1:5: warning: data definition has no type or storage class
    1 | n;l;i;j;r1;r2;
      |     ^
main.c:1:5: warning: type defaults to 'int' in declaration of 'i' [-Wimplicit-int]
main.c:1:7: warning: data definition has no type or storage class
    1 | n;l;i;j;r1;r2;
      |       ^
main.c:1:7: warning: type defaults to 'int' in declaration of 'j' [-Wimplicit-int]
main.c:1:9: warning: data definition has no type or storage class
    1 | n;l;i;j;r1;r2;
      |         ^~
main.c:1:9: warning: type defaults to 'int' in declaration of 'r1' [-Wimplicit-int]
main.c:1:12: warning: data definition has no type or storage class
    1 | n;l;i;j;r1;r2;
      |            ^~
main.c:1:12: warning: type defaults to 'int' in declaration of 'r2' [-Wimplicit-int]
main.c:3:1: warning: return type defaults to 'int' [-Wimplicit-int]
    3 | main(){
      | ^~~~
main.c: In function 'main':
main.c:4:9: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    4 |         scanf("%d%s",&n,s);
      |         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | n;l;i;j;r1;r2;
main.c:4:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    4 |         scanf("%d%s",&n,s);
      |         ^~~~~
main.c:4:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:5:9: warning: implicit declaration of function 'strcpy' [-Wimplicit-function-declaration]
    5 |         strcpy(t,s);
      |         ^~~~~~
main.c:1:1: note: include '<string.h>' or provide a declaration of 'st

ソースコード

diff # 

n;l;i;j;r1;r2;
char s[100010],t[100010];
main(){
	scanf("%d%s",&n,s);
	strcpy(t,s);
	l=strlen(s);

	j=n-1;
	i=0;
	while(i<l){
		if(s[i]!='#'){
			++i;
		}else{
			if(i<j&&j>0||j==l-1){
				--j;
			}else{
				++j;
			}
			s[j]^='#'^'.';
			if(i>j){
				i=j;
			}
			++r1;
		}
	}
	j=n-1;
	i=l-1;
	while(i>=0){
		if(t[i]!='#'){
			--i;
		}else{
			if(i>j&&j<l-1||j==0){
				++j;
			}else{
				--j;
			}
			t[j]^='#'^'.';
			if(i<j){
				i=j;
			}
			++r2;
		}
	}
	printf("%d",r1<r2?r1:r2);
}
0