Online Judge
VVVV
刘泽熙 • 6个月前
#include <bits/stdc++.h>
using namespace std;
int main(){
string s;
cin>>s;
int len=s.length();
for(int i=0;i<len;i++){
if(s[i]=='A'){
s[i]='T';
}else if(s[i]=='T'){
s[i]='A';
}else if(s[i]=='G'){
s[i]='C';
}else if(s[i]=='C'){
s[i]='G';
}
}
cout<<s;
return 0;
}
评论:
#include <iostream> #include <string> std::string processWord(const std::string& word) { // 检查前缀是否为 "re-", "dis-" 或 "ab-" if (word.substr(0, 3) == "re-" || word.substr(0, 3) == "dis" || word.substr(0, 3) == "ab-") { return word.substr(3); } else { return word; } } int main() { std::string word; std::cin >> word; std::cout << processWord(word) << std::endl; return 0; }
张黄源 • 6个月前