[老师] 19:33:41 #include<bits/stdc++.h> using namespace std; int main() { int t; cin >> t; cin.get(); for (int i = 0; i < t; ++i) { string s; getline(cin, s); string n; bool f = true; for (char c : s) { if (c == ' ') { f = true; } else if (f) { n += toupper(c); f = false; } } cout << n << endl; } return 0; } [老师] 19:47:32 #include <iostream> #include <string> using namespace std; int main() { int n; cin >> n; cin.get(); for (int i = 0; i < n; ++i) { string s1, s2; getline(cin, s1); getline(cin, s2); int mid = s1.length() / 2; // string ss = s1.substr(0, mid) + s2 + s1.substr(mid); string ss= s1.insert(mid,s2); cout << ss << endl; } return 0; }