1077 Kuchiguse

发表于

重点在于For each test case, print in one line the kuchiguse of the character, i.e., the longest common suffix of all N lines. If there is no such suffix, write nai.
求给出字符串的公共后缀。

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#include <bits/stdc++.h>
using namespace std;

int main() {
    int n;
    string result;
    scanf("%d\n", &n);
    for (int i = 0; i < n; i++) {
        string s;
        getline(cin, s);
        int len = s.length();
        reverse(s.begin(), s.end());
        if (i == 0) {
            result = s;
        }
        else {
            int lenResult = result.length();
            int minlen = min(len, lenResult);
            for (int j = 0; j < minlen; j++) {
                if (result[j] != s[j]) {
                    result = s.substr(0, j);
                    break;
                }
            }
        }
    }
    reverse(result.begin(), result.end());
    if (result.length() == 0) {
        cout << "nai";
    }
    else {
        cout << result;
    }
    cout << endl;

    return 0;
}

// scanf“%d”少了个\n出错

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Itai nyan~
Ninjin wa iyadanyan~
uhhh nyan~

nyan~