UVa LA 3213 - Ancient Cipher 难度: 0

题目

https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=1214

题意

问字符串a能否是字符串b经过某种替换+移位密码的密文

思路

明显，计数对的上就行

刘书题目描述不全面

代码

#include <algorithm>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <tuple>
#define LOCAL_DEBUG
using namespace std;
typedef pair<int, int> MyPair;
int cnta[256];
int cntb[256];

bool judge(string a, string b) {
    memset(cnta, 0, sizeof cnta);
    memset(cntb, 0, sizeof cntb);
    for (int i = 0; i < a.size(); i++) {
        cnta[a[i]]++;
        cntb[b[i]]++;
    }
    sort(cnta, cnta + 256);
    sort(cntb, cntb + 256);
    for (int i = 0; i < 256; i++) {
        if (cnta[i] != cntb[i])return false;
    }
    return true;
}

int main() {
#ifdef LOCAL_DEBUG
    freopen("C:\\Users\\Iris\\source\\repos\\ACM\\ACM\\input.txt", "r", stdin);
    //freopen("C:\\Users\\Iris\\source\\repos\\ACM\\ACM\\output.txt", "w", stdout);
#endif // LOCAL_DEBUG
    int T;
    string a, b;
    for (int ti = 1;cin>>a>>b; ti++) {
        if (judge(a, b))puts("YES");
        else puts("NO");
    }

    return 0;
}

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