제출 #721731

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
721731		Mr_Husanboy	Event Hopping (BOI22_events)	C++17	0 / 100	107 ms	11548 KiB

events

    #include<bits/stdc++.h>
    using namespace std;
     
    #define all(a) (a).begin(), (a).end()
    template<typename T>
    int len(T &a){
        return a.size();
    }
    using ll = long long;
    #define ff first
    #define ss second

    void solve(){
        int n, q; cin >> n >> q;
        vector<pair<int,int>> e(n);
        map<int,int> mp;
        for(int i = 0; i < n; i ++){
            cin >> e[i].ff >> e[i].ss; 
            mp[e[i].ff] = 1; mp[e[i].ss] = 1;
        }
        map<int,int> id;
        for(auto [a,b] : mp){
            id[a] = len(id);
        }
        while(q --){
            int a, b;
            cin >> a >> b; 
            a --; b --;
            if(e[a].ss < e[b].ff || e[a].ss > e[b].ss){
                cout << "impossible";
            }else cout << 1;
            if(q)cout << '\n';
        }
    }

    int main(){
        ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
        int testcases = 1;
        //cin >> testcases;
        while(testcases --){
            solve();
            if(testcases) cout << '\n';
            #ifdef LOCAL
            else cout << '\n';
            cout << "__________________" << endl;
            #endif
        }
        return 0;
    }

• Subtask 1: 0 / 10
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• Subtask 3: 0 / 15
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• Subtask 6: 0 / 30