牛客 日志排序

istringstream 读入一整行，并按空格分开，挨个输出
题

#include<bits/stdc++.h>

using namespace std;

int r;

struct Task{
    string nam, day, start;
    double time;
    string line; 
};

bool cmp(Task a, Task b){
    if(a.time != b.time) return a.time < b.time;
    else if(a.day != b.day) return a.day < b.day;
    else return a.start < b.start;
}

int main()
{
	string s;
	vector<Task>t;
	while(getline(cin, s)){
		Task temp;
		temp.line = s;
		istringstream isline(s);
		isline>>temp.nam>>temp.day>>temp.start>>temp.time;
		t.push_back(temp);
	}
	
    sort(t.begin(), t.end(), cmp);
    
    for(auto it:t){
        cout<<it.line<<endl;
    }
    return 0;
}