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Wuqi001楼主2025/6/27 21:57

rt.

#include <bits/stdc++.h>
using namespace std;
string s[105], ans;
bool check(string s) {
	int len = s.length();
	for (int i = 0; i < len - 1; i++) {
		if (s[i] > s[i + 1]) {
			return false;
		}
	}
	return true;
}
int main() {
	int t;
	cin >> t;
	while (t--) {
		int n;
		cin >> n;
		for (int i = 1; i <= n; i++) {
			cin >> s[i];
		}
		sort(s + 1, s + n + 1);
		for (int i = 1; i <= n; i++) {
			ans += s[i];
		}
		if (check(ans)) {
			cout << "1" << endl;
		} else {
			cout << "0" << endl;
		}
	}
	return 0;
}

2025/6/27 21:57
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