题解 | #字符串字符匹配#
字符串字符匹配
https://www.nowcoder.com/practice/22fdeb9610ef426f9505e3ab60164c93
无脑使用标准库
#include <iostream> #include <string> #include <set> int main(int argc, char const *argv[]) { std::string S,T; while (std::cin >> S >> T) { std::set<char> tst; bool rest = true; for (char c : T) { tst.insert(c); } for (char c : S) { if (!tst.count(c)) { rest = false; break; } } std::cout << std::boolalpha << rest << std::endl; } return 0; }