W3School TIY Editor

#include <iostream> #include <cstring> using namespace std; int main() { char myStr1[] = "ABCD"; char myStr2[] = "ABCE"; int cmp = strncmp(myStr1, myStr2, 3); if(cmp > 0) { cout << myStr1 << " 大于 " << myStr2 << "\n"; } else if(cmp < 0) { cout << myStr2 << " 大于 " << myStr1 << "\n"; } else { cout << myStr1 << " 等于 " << myStr2 << "\n"; } return 0; }