NYOJ991Registrationsystem【set的用法】

原题链接

#include
#include
#include
#include
using namespace std;
char buf[100];
char *digitToString(int n){
sprintf(buf, "%d", n);
return buf;
}
int main(){
int n;
string str, temp;
set st;
cin >> n;
while(n--){
cin >> str;
if(st.count(str) == 0){
st.insert(str);
cout <<"OK" < }
else{
for(int i = 1; ; ++i){
temp = str;
if(st.count(temp.append(digitToString(i))) == 0){
st.insert(temp);
cout < break;
}
}
}
}
return 0;
}

801811

长木

Registration system

Accepted

0

308

C/C&＃43;&＃43;

04-08 09:19:26

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