C++,luogu,P11654 「FAOI-R5」becoder

//luogu,P11654 「FAOI-R5」becoder
#include <iostream>
#include <vector>
int main(){
    int n,L,R;std::cin>>n>>L>>R;
    --L;--R;
    std::vector<int> time(n),memory(n);
    for(int i = 0;i<n;++i){
        std::cin>>time[i]>>memory[i];
    }
    for(int i = 0;i<L&&i<n;++i){
        int t,m;std::cin>>t>>m;
        if(memory[i]>m){
            std::cout<<"Memory Limit Exceeded"<<std::endl;
        }else if(time[i]/2 > t){
            std::cout<<"Time Limit Exceeded"<<std::endl;
        }else{
            std::cout<<"Accepted"<<std::endl;
        }
    }
    for(int i = L;i>=0 && i<=R && i<n;++i){
        int t,m;std::cin>>t>>m;
        std::cout<<"System Error"<<std::endl;
    }
    for(int i = R+1;i>=0 && i<n;++i){
        int t,m;std::cin>>t>>m;
        if(memory[i]>m){
            std::cout<<"Memory Limit Exceeded"<<std::endl;
        }else if(time[i]/2 > t){
            std::cout<<"Time Limit Exceeded"<<std::endl;
        }else{
            std::cout<<"Accepted"<<std::endl;
        }
    }
}