不理解为啥没满，stable反而还多错一个= =

using namespace std;
int n;
vector<pair<string,int>> mp;
int re(string s){
    int x = 0;
    for(auto tt:s){
        x *= 10;
        x += tt - '0';
    }
    return x;
}
typedef struct{
    string s;
    int num;
}stu;
bool cmp(stu mp1,stu mp2){
    return mp1.num < mp2.num;
}

int main(){
    stu stu1[1010];
    cin >> n;
    for(int i = 1;i <= n;i++){
        string s1,s2,s3,s4;
        cin >> s1 >> s2 >> s3 >> s4;
        stu1[i].s = s1;
        stu1[i].num = re(s3)*100+re(s4)+re(s2)*10000;
    }
    sort(stu1+1,stu1+1+n,cmp);
    for(int i = 1;i <= n;i++){
        cout << stu1[i].s<<endl;
    }
}