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Submission #922365

# Submission time Handle Problem Language Result Execution time Memory
922365 2024-02-05T12:43:19 Z maxFedorchuk Trampoline (info1cup20_trampoline) C++17
100 / 100
 709 ms 92636 KB 
#include "bits/stdc++.h"
using namespace std;

const long long MX=2e5+100;

map < long long , set < pair < long long, long long > >> mp;
long long lca[30][MX];
long long col[MX];
long long r,c,n;

int main() {
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    cin >> r >> c >> n;

    for (long long i = 1; i <= n; i++) {
        long long a, b;
        cin >> a >> b;

        mp[a].insert({b, i});
        col[i] = b;
    }

    for (auto [zr, st]: mp) {
        for (auto [zn, in]: st) {
            auto it = mp[zr + 1].lower_bound({zn, 0});
            if (it != mp[zr + 1].end()) {
                lca[0][in] = (*it).second;
            }
        }
    }

    for (long long sl = 1; sl < 30; sl++) {
        for (long long i = 1; i <= n; i++) {
            lca[sl][i] = lca[sl - 1][lca[sl - 1][i]];
        }
    }

    long long q;
    cin >> q;

    while (q--) {
        long long x1, y1, x2, y2;
        cin >> x1 >> y1 >> x2 >> y2;

        if (x1 > x2 || y1 > y2) {
            cout << "No\n";
            continue;
        }

        if (x1 == x2) {
            cout << "Yes\n";
            continue;
        }

        auto st = mp[x1].lower_bound(make_pair(y1, 0));
        if (st == mp[x1].end()) {
            cout << "No\n";
            continue;
        }

        long long rd = x2 - x1 - 1, zr = (*st).second;

        for (long long i = 0; i < 30; i++) {
            if ((rd >> i) & 1) {
                zr = lca[i][zr];
            }
        }

        if (zr != 0 && col[zr] <= y2) {
            cout << "Yes\n";
        } else {
            cout << "No\n";
        }
    }

    return 0;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 48220 KB 200 token(s): yes count is 21, no count is 179
2 Correct 11 ms 48324 KB 200 token(s): yes count is 70, no count is 130
3 Correct 10 ms 48216 KB 197 token(s): yes count is 25, no count is 172

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 181 ms 63564 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 155 ms 63572 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 144 ms 63132 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 149 ms 63828 KB 4000 token(s): yes count is 1991, no count is 2009

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 327 ms 80840 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 344 ms 78116 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 336 ms 74324 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 312 ms 74116 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 303 ms 74068 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 425 ms 80100 KB 200000 token(s): yes count is 97163, no count is 102837

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 48216 KB 5000 token(s): yes count is 3238, no count is 1762
2 Correct 12 ms 48220 KB 5000 token(s): yes count is 3837, no count is 1163
3 Correct 12 ms 47196 KB 5000 token(s): yes count is 4104, no count is 896
4 Correct 11 ms 48220 KB 5000 token(s): yes count is 3934, no count is 1066
5 Correct 12 ms 48476 KB 5000 token(s): yes count is 3384, no count is 1616
6 Correct 11 ms 48476 KB 5000 token(s): yes count is 3390, no count is 1610

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 594 ms 81304 KB 200000 token(s): yes count is 171404, no count is 28596
2 Correct 520 ms 75684 KB 200000 token(s): yes count is 161254, no count is 38746
3 Correct 323 ms 74420 KB 200000 token(s): yes count is 117455, no count is 82545
4 Correct 684 ms 92636 KB 200000 token(s): yes count is 182118, no count is 17882
5 Correct 494 ms 86804 KB 200000 token(s): yes count is 167565, no count is 32435
6 Correct 370 ms 78140 KB 200000 token(s): yes count is 156797, no count is 43203
7 Correct 376 ms 78196 KB 200000 token(s): yes count is 156797, no count is 43203
8 Correct 352 ms 75620 KB 200000 token(s): yes count is 122100, no count is 77900
9 Correct 670 ms 79952 KB 200000 token(s): yes count is 139670, no count is 60330
10 Correct 674 ms 80120 KB 200000 token(s): yes count is 165806, no count is 34194
11 Correct 709 ms 86356 KB 200000 token(s): yes count is 175646, no count is 24354
12 Correct 323 ms 81588 KB 200000 token(s): yes count is 134695, no count is 65305
13 Correct 351 ms 81384 KB 200000 token(s): yes count is 126733, no count is 73267
14 Correct 417 ms 73948 KB 200000 token(s): yes count is 155290, no count is 44710
15 Correct 341 ms 78144 KB 200000 token(s): yes count is 129674, no count is 70326