如果你像我一样定义了一堆这种记录成绩分段的数组（grading、runningscore等），请别开O2，不然会RE

#include<bits/stdc++.h>
using namespace std;
int hour,minute,second,month=1,day=1,n,m,f,timing[24][60][60],diary[13][32],grading[11]={95,90,85,80,77,73,70,67,63,60,0},runningscore[9]={21,19,17,14,11,999999999,7,999999999,3},timesscore[5]={18,15,12,9,6},axm[10]={12,13,13,14,14,15,15,16,17,18},bxm[10]={30,0,30,0,30,10,50,30,10,0},axf[10]={6,6,7,7,7,8,8,8,8,9},bxf[10]={40,57,14,31,50,5,20,35,50,0};
const int waiting=21600;
string id[10001],fitime,rtime,xid,first,last,ppause,grade[101],grades[11]={"A","A-","B+","B","B-","C+","C","C-","D+","D","F"};
char g,test,s;
double dist,step;
const double mleast=3000,fleast=1500,maxstep=1.5,fast=5,slow=2;
map<string,int>score,times,recordtime,runningtimes;
map<string,bool>gender,idv;
bool cmp(string a,string b){
	return a<b;
}
int main(){
	for(int i=1;;i++){
		//初始化
	}
	for(int i=1;i<=86400;i++){
		//初始化
	}
	for(int i=0;i<=100;i++){
		for(int j=0;j<11;j++){
			//初始化
		}
	}
	cin>>n;
	for(int i=1;i<=n;i++){
		//输入
		int a=0,b=0,r=1,l=fitime.length();
		for(int j=0;j<l-1;j++){
			//判断
		}
		b+=a*60;
		//计算期末长跑
	}
	cin>>m;
	while(m--){
		int nmonth,nday,fhour,fminute,fsecond,lhour,lminute,lsecond,firsttime,lasttime,firstsumtime,lastsumtime,a=0,b=0,r=1,l;
		double speed;
		cin>>rtime>>xid>>first>>last>>dist>>ppause>>step;
		//计算时间、速度等
      
		//判断不合法
		
      //记录
	}
	for(int i=1;i<=n;i++){
		for(int j=0;j<9;j++){
			//计算阳光长跑成绩
		}
		for(int j=0;j<5;j++){
			//计算训练营成绩
		}
	}
	//排序
	for(int i=1;i<=n;i++){
		//输出
	}
	return 0;
}
//(☆▽☆)