提交时间:2026-04-10 15:11:55

运行 ID: 87027

#include <iostream> #include <string> #include <cctype> using namespace std; int main() { string s1, s2; getline(cin, s1); getline(cin, s2); int i = 0; while (i < s1.size() || i < s2.size()) { char c1 = (i < s1.size()) ? tolower(s1[i]) : -1; char c2 = (i < s2.size()) ? tolower(s2[i]) : -1; if (c1 < c2) { cout << "<" << endl; return 0; } if (c1 > c2) { cout << ">" << endl; return 0; } i++; } cout << "=" << endl; return 0; }