简单题。
#include<iostream> #include<cstring> #include<cmath> #include<algorithm> #include<cstdio> #include<map> #include<queue> #include<vector> using namespace std; int n; struct X { string a; string b; bool flag; } s[1000+10]; int main() { scanf("%d",&n);int fail=0; for(int i=1; i<=n; i++) { cin>>s[i].a>>s[i].b; s[i].flag=0; for(int j=0; j<s[i].b.length(); j++) { if(s[i].b[j]=='1') s[i].flag=1,s[i].b[j]='@'; if(s[i].b[j]=='0') s[i].flag=1,s[i].b[j]='%'; if(s[i].b[j]=='l') s[i].flag=1,s[i].b[j]='L'; if(s[i].b[j]=='O') s[i].flag=1,s[i].b[j]='o'; } fail=fail+s[i].flag; } if(fail==0) { if(n==1||n==0) printf("There is %d account and no account is modified ",n); else printf("There are %d accounts and no account is modified ",n); } else { printf("%d ",fail); for(int i=1; i<=n; i++) { if(s[i].flag==0) continue; cout<<s[i].a<<" "<<s[i].b<<endl; } } return 0; }