每日一题洛谷P8615 [蓝桥杯 2014 国 C] 拼接平方数c++

P8615 [蓝桥杯 2014 国 C] 拼接平方数 - 洛谷 (luogu.com.cn)

#include<iostream>
#include<string>
#include<cmath>
using namespace std;
bool jud(int p) {int m = sqrt(p);return m * m == p;
}
void solve(int n) {string t = to_string(n);//int转换为stringfor (int i = 1; i < t.size(); i++) {string a = t.substr(0, i);//截取字符串string b = t.substr(i, t.size());int a1 = stoi(a);int b1 = stoi(b);if (a1 && b1) {if (jud(n) && jud(a1) && jud(b1)) {cout << n << endl; return;}}}
}
int main() {int a, b; cin >> a >> b;for (int i = a; i <= b; i++)solve(i);return 0;
}