Submission #938755

#	Time	Username	Problem	Language	Result	Execution time	Memory
938755		vjudge1	Toll (BOI17_toll)	C++17	7 / 100	183 ms	984 KiB

toll

#include <bits/stdc++.h>
#define int long long
#define endl "\n"
using namespace std;
vector<int>tree;
signed main(){
    int k,n,m,o;
    cin>>k>>n>>m>>o;
    for(int i=0;i<n;i++)tree.push_back(-1);
    for(int i=0;i<m;i++){
        int a,b,t;
        cin>>a>>b>>t;
        tree[a]=t;
    }
    for(int i=0;i<o;i++){
        int a,b;
        cin>>a>>b;
        int sum=0;
        bool flag=false;
        for(int j=a;j<b;j++){
            if(tree[j]==-1){
                flag=true;
            }else{
                sum+=tree[j];
            }
        }
        if(flag==true){
            cout<<-1<<endl;
        }else{
            cout<<sum<<endl;
        }
    }
    
}

• Subtask 1: 7 / 7
• Subtask 2: 0 / 10
• Subtask 3: 0 / 8
• Subtask 4: 0 / 31
• Subtask 5: 0 / 44