水题,,,
#include<iostream> #include<string> #include<cstdio> using namespace std; int main() { int n; char a[10005]; while(cin>>n) { scanf("%s",a); int i=0; int sum=0; while(i<n) { if(a[i]<='9') sum+=16; if(a[i+1]<='9') sum+=8; if(a[i+2]<='9') sum+=4; if(a[i+3]<='9') sum+=2; if(a[i+4]<='9') sum+=1; printf("%c",sum+65); i+=5; sum=0; } cout<<endl; }return 0; }