結果
| 問題 | No.608 God's Maze | 
| コンテスト | |
| ユーザー |  tails | 
| 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 | 
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
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);
}
            
            
            
        