Submission #1072651

#	Time	Username	Problem	Language	Result	Execution time	Memory
1072651		username_____here	Trampoline (info1cup20_trampoline)	C++17	0 / 100	556 ms	1048576 KiB

trampoline

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> veci;
typedef vector<ll> vecll;
#define fi first
#define se second
// debug needs a semicolon!!!
#define debug(x) cerr<<# x<<" is "<<x<<'\n'
#define vec vector
#define pq priority_queue

int main() {
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    int r, c, t;
    cin >> r >> c >> t;
    set<int> green[r];
    while (t--) {
        int rr, cc;
        cin >> rr >> cc;
        green[rr-1].insert(cc-1);
    }
    int q;
    cin >> q;
    while (q--) {
        int xs, ys, xe, ye;
        cin >> xs>> ys>> xe>> ye;
        xs--;
        xe--;
        ys--;
        ye--;
        int currrow=xs, currcol=ys;
        bool madeit=true;
        while (currrow < xe) {
            auto it=green[currrow].lower_bound(currcol);
            if (it == green[currrow].end()) {
                madeit = false;
                break;
            }
            if (*(it) > ye) {
                madeit = false;
                break;
            }
            currrow++;
            currcol = *it;
        }
        if (madeit) {
            cout << "Yes\n";
        } else {
            cout << "No\n";
        }
    }
	return 0;
}

• Subtask 1: 0 / 23
• Subtask 2: 0 / 20
• Subtask 3: 0 / 11
• Subtask 4: 0 / 19
• Subtask 5: 0 / 27