題目:
https://onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=208
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| #include <iostream> #include <string>
using namespace std;
int main(){ string text; bool left = true; while(getline(cin, text)){ string ans; for(char c : text){ if(c == '"'){ if(left){ ans += "``"; left = false; } else{ ans += "\'\'"; left = true; } } else ans += c; } cout << ans << '\n'; } return 0; }
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