oj.uz

Submission #364056

# Submission time Handle Problem Language Result Execution time Memory
364056 2021-02-08T06:58:09 Z stefdasca Trampoline (info1cup20_trampoline) C++14
100 / 100
 393 ms 30956 KB 
#include<bits/stdc++.h>
#define god dimasi5eks
#pragma GCC optimize("O3")
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define mod 1000000007
#define dancila 3.14159265359
#define eps 1e-9

// #define fisier 1

using namespace std;

typedef long long ll;

int r, c, n, q;

pair<int, int> p[200002];
int lvl[200002];

int anc[20][200002];

int cb(pair<int, int> x)
{
    int st = 1;
    int dr = n;
    int ans = 0;
    while(st <= dr)
    {
        int mid = (st + dr) / 2;
        if(p[mid] >= x)
            ans = mid, dr = mid - 1;
        else
            st = mid + 1;
    }
    return ans;
}
int kthanc(int a, int stp)
{
    for(int i = 19; i >= 0; --i)
        if(stp >= (1<<i))
            a = anc[i][a], stp -= (1<<i);
    return a;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> r >> c >> n;
    for(int i = 1; i <= n; ++i)
        cin >> p[i].fi >> p[i].se;
    sort(p + 1, p + n + 1);
    for(int i = n; i >= 1; --i)
    {
        int nxttr = cb({p[i].fi + 1, p[i].se});
        if(p[nxttr].fi == p[i].fi + 1)
        {
            lvl[i] = lvl[nxttr] + 1;
            anc[0][i] = nxttr;
            for(int j = 1; j <= 19; ++j)
                anc[j][i] = anc[j-1][anc[j-1][i]];
        }
    }
    cin >> q;
    for(; q; --q)
    {
        int xa, ya, xb, yb;
        cin >> xa >> ya >> xb >> yb;
        if(xa > xb || ya > yb)
        {
            cout << "No\n";
            continue;
        }
        if(xa == xb)
        {
            cout << "Yes\n";
            continue;
        }
        int nxttr = cb({xa, ya});
        if(p[nxttr].fi > xa || p[nxttr].se > yb)
        {
            cout << "No\n";
            continue;
        }
        if(lvl[nxttr] < xb - xa - 1)
        {
            cout << "No\n";
            continue;
        }
        int poz = kthanc(nxttr, xb - xa - 1);
        if(p[poz].fi <= xb && p[poz].se <= yb)
        {
            cout << "Yes\n";
            continue;
        }
        cout << "No\n";
        continue;
    }
    return 0;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1260 KB 200 token(s): yes count is 21, no count is 179
2 Correct 5 ms 1536 KB 200 token(s): yes count is 70, no count is 130
3 Correct 4 ms 1132 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 89 ms 20332 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 92 ms 20204 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 96 ms 19948 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 91 ms 20204 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 237 ms 30828 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 239 ms 30728 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 247 ms 30700 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 247 ms 30956 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 244 ms 30836 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 241 ms 30700 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 6 ms 1260 KB 5000 token(s): yes count is 3238, no count is 1762
2 Correct 6 ms 1260 KB 5000 token(s): yes count is 3837, no count is 1163
3 Correct 7 ms 748 KB 5000 token(s): yes count is 4104, no count is 896
4 Correct 6 ms 1260 KB 5000 token(s): yes count is 3934, no count is 1066
5 Correct 6 ms 1260 KB 5000 token(s): yes count is 3384, no count is 1616
6 Correct 7 ms 1260 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 354 ms 30828 KB 200000 token(s): yes count is 171404, no count is 28596
2 Correct 343 ms 30860 KB 200000 token(s): yes count is 161254, no count is 38746
3 Correct 264 ms 30956 KB 200000 token(s): yes count is 117455, no count is 82545
4 Correct 363 ms 30700 KB 200000 token(s): yes count is 182118, no count is 17882
5 Correct 291 ms 30828 KB 200000 token(s): yes count is 167565, no count is 32435
6 Correct 262 ms 30956 KB 200000 token(s): yes count is 156797, no count is 43203
7 Correct 277 ms 30956 KB 200000 token(s): yes count is 156797, no count is 43203
8 Correct 253 ms 30828 KB 200000 token(s): yes count is 122100, no count is 77900
9 Correct 356 ms 30828 KB 200000 token(s): yes count is 139670, no count is 60330
10 Correct 361 ms 30828 KB 200000 token(s): yes count is 165806, no count is 34194
11 Correct 393 ms 30828 KB 200000 token(s): yes count is 175646, no count is 24354
12 Correct 238 ms 30828 KB 200000 token(s): yes count is 134695, no count is 65305
13 Correct 249 ms 30828 KB 200000 token(s): yes count is 126733, no count is 73267
14 Correct 300 ms 30956 KB 200000 token(s): yes count is 155290, no count is 44710
15 Correct 238 ms 30956 KB 200000 token(s): yes count is 129674, no count is 70326