csuoj 1396: Erase Securely

http://acm.csu.edu.cn/OnlineJudge/problem.php?id=1396

1396: Erase Securely

Time Limit: 1 Sec Memory Limit: 128 MB
Submit: 102 Solved: 60
[Submit][Status][Web Board]

Description

Input

Output

Sample Input

1
10001110101000001111010100001110
01110001010111110000101011110001

Sample Output

Deletion succeeded

HINT

分析；

异或。

AC代码：

#include <stdio.h>
#include <string.h>
#include <algorithm>

using namespace std;

const int N = 1e3 + 5;

char a
,b
;

int main()
{
int n;
while(~scanf("%d",&n))
{
scanf("%s%s",a,b);
int len = strlen(a);
n = n & 1;
bool ok = true;
for(int i=0;i<len;i++)
if((a[i] ^ n) != b[i])
{
ok = false;
break;
}
puts(ok ? "Deletion succeeded" : "Deletion failed");
}
return 0;
}