前五个WA后边全超时了

#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;
int m,t,sum;
int tb[100000001],ts[10000001],x[100000001];
int main(){
	int n;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>m>>x[i]>>t;
		if(m==0) ts[i]=t;
		if(m==1){
		    tb[i]=t;
			for(int j=1;j<=i;j++){
				if(tb[i]-ts[j]<=45&&x[j]>=x[i]){
					x[i]=0;
				}
			}
		}
	}
	for(int i=1;i<=n;i++){
		sum+=x[i];
	}
	cout<<sum;
	return 0;
}