求点赞

#include
using namespace std;
struct Student{
int m,d;
string name;
};
vector<Student> stu;
bool cmpName(string a,string b){
if(a.size()!=b.size())
return a.size() < b.size();
return a < b;
}
int main(){
int n;
cin>>n;
for(int i=0;i<n;i++){
string na;
int m,d;
cin>>na>>m>>d;
stu.push_back({m,d,na});
}
bool hasAns = false;
for(int month=1;month<=12;month++){
for(int day=1;day<=31;day++){
vector<string> same;
for(auto s:stu){
if(s.m==month && s.d==day){
same.push_back(s.name);
}
}
if(same.size()>=2){
hasAns = true;
sort(same.begin(),same.end(),cmpName);
cout<<month<<" "<<day;
for(auto nm:same){
cout<<" "<<nm;
}
cout<<endl;
}
}
}
if(!hasAns){
cout<<"None"<<endl;
}
return 0;
}