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Submission #493831

# Submission time Handle Problem Language Result Execution time Memory
493831 2021-12-13T05:48:24 Z SirCovidThe19th Trampoline (info1cup20_trampoline) C++17
100 / 100
 1314 ms 55836 KB 
#include <bits/stdc++.h>
using namespace std; 
 
#define FOR(i, x, y) for (int i = x; i < y; i++)
 
const int mx = 2e5 + 5, ml = 18;
 
int R, C, n, q, col[mx], down[mx][ml]; map<int, set<pair<int, int>>> mp; 
 
int main(){
    cin >> R >> C >> n;
    FOR(i, 1, n + 1){
        int r, c; cin >> r >> c;
        col[i] = c;
        mp[r].insert({c, i});
    }
    for (auto [r, S] : mp)
        for (auto [c, idx] : S){
            auto it = mp[r + 1].lower_bound({c, -1});
            if (it != mp[r + 1].end()) down[idx][0] = it->second;
        }
    FOR(l, 1, ml) FOR(i, 1, n + 1) down[i][l] = down[down[i][l - 1]][l - 1];
 
    cin >> q;
    while (q--){
        int r1, c1, r2, c2; cin >> r1 >> c1 >> r2 >> c2;
        if (r1 > r2 or c1 > c2){ cout<<"No"<<"\n"; continue; }
        if (r1 == r2){ cout<<"Yes"<<"\n"; continue; }
 
        auto st = mp[r1].lower_bound({c1, -1});
        int cur = (st == mp[r1].end()) ? 0 : st->second;
        int jmp = r2 - r1 - 1;
 
        FOR(l, 0, ml) if ((jmp >> l) & 1) cur = down[cur][l];
        cout<<((!cur or col[cur] > c2) ? "No" : "Yes")<<"\n";
    }
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1356 KB 200 token(s): yes count is 21, no count is 179
2 Correct 9 ms 1488 KB 200 token(s): yes count is 70, no count is 130
3 Correct 6 ms 1232 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 264 ms 24980 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 281 ms 26720 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 253 ms 26144 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 263 ms 26568 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 984 ms 30712 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 997 ms 28620 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 1022 ms 26256 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 1030 ms 25652 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 946 ms 25668 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 1057 ms 31664 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 21 ms 844 KB 5000 token(s): yes count is 3238, no count is 1762
2 Correct 24 ms 1236 KB 5000 token(s): yes count is 3837, no count is 1163
3 Correct 22 ms 2160 KB 5000 token(s): yes count is 4104, no count is 896
4 Correct 20 ms 1264 KB 5000 token(s): yes count is 3934, no count is 1066
5 Correct 21 ms 1376 KB 5000 token(s): yes count is 3384, no count is 1616
6 Correct 21 ms 1372 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 1210 ms 33032 KB 200000 token(s): yes count is 171404, no count is 28596
2 Correct 1133 ms 39036 KB 200000 token(s): yes count is 161254, no count is 38746
3 Correct 1004 ms 37448 KB 200000 token(s): yes count is 117455, no count is 82545
4 Correct 1314 ms 55836 KB 200000 token(s): yes count is 182118, no count is 17882
5 Correct 1160 ms 48376 KB 200000 token(s): yes count is 167565, no count is 32435
6 Correct 1086 ms 40348 KB 200000 token(s): yes count is 156797, no count is 43203
7 Correct 1014 ms 40300 KB 200000 token(s): yes count is 156797, no count is 43203
8 Correct 948 ms 38388 KB 200000 token(s): yes count is 122100, no count is 77900
9 Correct 1240 ms 43112 KB 200000 token(s): yes count is 139670, no count is 60330
10 Correct 1250 ms 43128 KB 200000 token(s): yes count is 165806, no count is 34194
11 Correct 1255 ms 49348 KB 200000 token(s): yes count is 175646, no count is 24354
12 Correct 1006 ms 42820 KB 200000 token(s): yes count is 134695, no count is 65305
13 Correct 956 ms 42412 KB 200000 token(s): yes count is 126733, no count is 73267
14 Correct 1135 ms 37172 KB 200000 token(s): yes count is 155290, no count is 44710
15 Correct 979 ms 40164 KB 200000 token(s): yes count is 129674, no count is 70326