oj.uz

Submission #920967

# Submission time Handle Problem Language Result Execution time Memory
920967 2024-02-03T08:26:25 Z kxd Trampoline (info1cup20_trampoline) C++17
100 / 100
 1084 ms 77712 KB 
#include <bits/stdc++.h>
//#define DEBUG 1106
#define int long long
#define ll long long
#define ld long double
#define pb push_back
#define p_q priority_queue
#define m_p make_pair
#define pii pair<int,int>
#define endl '\n'
#define INIT ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define FOR(i,a,b) for(int i = a; i <= b; i++)
#define forn(i,n) for (int i = 0; i < n; i++)
#define forn1(i,n) for (int i = 1; i <= n; i++)
#define all(x) x.begin(),x.end()
#define ft first
#define sd second
#define lowbit(x) (x&(-x))
#define chmax(x,y) x=max(x,y)
#define chmin(x,y) x=min(x,y)
#ifdef DEBUG
#define debug(x) cout << #x << ": " << x << endl;
#else
#define debug(x) 1106;
#endif

using namespace std;
const int N = 2e5+5;
const int M = 25;
const int inf = 1e9;
const int INF = 1e18;
const int MOD = 1e9+7;

int twok[N][M];
int row[N], col[N];

map<int,vector<int>> mp;
map<pii,int> id;

signed main() {
	INIT
	#ifdef DEBUG
	freopen("input.txt", "r", stdin);
	#endif
	///////////
    int r, c, n;
	cin >> r >> c >> n;
    forn1(i,n) {
        cin >> row[i] >> col[i];
        id[m_p(row[i],col[i])] = i;
        mp[row[i]].pb(col[i]);
    }
    for(auto x: mp) {
        sort(all(mp[x.ft]));
    }
    forn1(i,n) {
        auto it = lower_bound(all(mp[row[i]+1]), col[i]);
        if (it == mp[row[i]+1].end()) continue;
        twok[i][0] = id[m_p(row[i]+1,*it)];
    }
    forn1(j,M-1) {
        forn1(i,n) {
            twok[i][j] = twok[twok[i][j-1]][j-1];
        }
    }
    int q;
    cin >> q;
    while(q--) {
        int x1, x2, y1, y2;
        cin >> x1 >> y1 >> x2 >> y2;
        if(x1>x2 || y1>y2) {
        	cout << "No" << endl;
        	continue;
		}
        if(x1==x2) {
        	cout << "Yes" << endl;
        	continue;
		}
        auto it = lower_bound(all(mp[x1]),y1);
        int u;
        if (it == mp[x1].end()) u = 0;
        else u = id[m_p(x1,*it)];
        int dist = x2-x1-1;
        forn(i,M) {
            if(dist&(1<<i)) {
                u = twok[u][i];
            }
        }
        if(u==0 || col[u]>y2) cout << "No" << endl;
        else cout << "Yes" << endl;
    }
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 7416 KB 200 token(s): yes count is 21, no count is 179
2 Correct 11 ms 7260 KB 200 token(s): yes count is 70, no count is 130
3 Correct 7 ms 7240 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 333 ms 58192 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 328 ms 58172 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 326 ms 57284 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 334 ms 58200 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 375 ms 57760 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 442 ms 58036 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 537 ms 57936 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 556 ms 58284 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 607 ms 58448 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 735 ms 64516 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 7 ms 4956 KB 5000 token(s): yes count is 3238, no count is 1762
2 Correct 7 ms 4956 KB 5000 token(s): yes count is 3837, no count is 1163
3 Correct 10 ms 4700 KB 5000 token(s): yes count is 4104, no count is 896
4 Correct 7 ms 4956 KB 5000 token(s): yes count is 3934, no count is 1066
5 Correct 9 ms 4956 KB 5000 token(s): yes count is 3384, no count is 1616
6 Correct 6 ms 4956 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 920 ms 65764 KB 200000 token(s): yes count is 171404, no count is 28596
2 Correct 777 ms 60644 KB 200000 token(s): yes count is 161254, no count is 38746
3 Correct 495 ms 57872 KB 200000 token(s): yes count is 117455, no count is 82545
4 Correct 1084 ms 77712 KB 200000 token(s): yes count is 182118, no count is 17882
5 Correct 700 ms 64692 KB 200000 token(s): yes count is 167565, no count is 32435
6 Correct 535 ms 58976 KB 200000 token(s): yes count is 156797, no count is 43203
7 Correct 570 ms 58400 KB 200000 token(s): yes count is 156797, no count is 43203
8 Correct 485 ms 57788 KB 200000 token(s): yes count is 122100, no count is 77900
9 Correct 896 ms 64396 KB 200000 token(s): yes count is 139670, no count is 60330
10 Correct 946 ms 64884 KB 200000 token(s): yes count is 165806, no count is 34194
11 Correct 1033 ms 70584 KB 200000 token(s): yes count is 175646, no count is 24354
12 Correct 391 ms 58052 KB 200000 token(s): yes count is 134695, no count is 65305
13 Correct 468 ms 57936 KB 200000 token(s): yes count is 126733, no count is 73267
14 Correct 630 ms 58704 KB 200000 token(s): yes count is 155290, no count is 44710
15 Correct 467 ms 57944 KB 200000 token(s): yes count is 129674, no count is 70326