string操作 + 数组存储

#include<bits/stdc++.h>
using namespace std;
char ch[27]={'none','V','W','X','Y','Z','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U'};
int main(){
    char a[10001];
    gets(a);
    for(int i=0;i<strlen(a);i++){
        if(a[i]>='A' and a[i]<='Z'){
            a[i]=ch[a[i]-'A'+1];
        }
    }
    for(int i=0;i<strlen(a);i++) cout<<a[i];
    return 0;
}