PAT甲级 1077(C++)

还挺容易的这题(开心

#include<iostream>
#include<string>
using namespace std;
int main() {
	string n; getline(cin, n);
	int N = stoi(n);
	string result;
	getline(cin, result);
	for (int i = 2; i <= N; i++) {
		string temp;
		getline(cin, temp);
		int k = 0;
		while (k < result.size()) {
			if (result[result.size() -1- k] != temp[temp.size() -1- k])
				break;
			k++;
		}
		result.erase(0, result.size() - k);
		if (result.size() == 0) {
			cout << "nai";
			return 0;
		}
	}
	cout << result;
	return 0;
}

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转载自blog.csdn.net/weixin_45681165/article/details/121097499