1050. String Subtraction (20)
分析:很无奈,我想用python。实在是简单呀。 python: s1 = raw_input() s2 = raw_input() for e in s2: if e in s1: s1 = s1.replace(e, '') print s1c++: #include <iostream> #include <string> #include <map> #include <vector> #include <algorithm> using namespace std; int main() { string s, st; getline(cin, s); getline(cin, st); for(int i = 0; i < s.length(); i++){ for(int j = 0; j < st.length(); j++){ if(s[i] == st[j]){ s[i] = '-'; break; } } } for(int i = 0; i < s.length(); i++){ if...