#include "bits/stdc++.h"
using namespace std;
const int MAXN = 1e6 + 10;
const int MOD = 1e9 + 7;
#define int long long
mt19937_64 rng((int)std::chrono::steady_clock::now().time_since_epoch().count());
int rnd(int x, int y) {
int u = uniform_int_distribution<int>(x, y)(rng); return u;
}
long long bm(long long b, long long p) {
if(p==0) return 1;
long long r = bm(b, p/2);
if(p&1) return (((r*r) % MOD) * b) % MOD;
return (r*r) % MOD;
}
void solve(int tc) {
int r, c, n;
cin >> r >> c >> n;
unordered_map<int, set<int> > mp;
int x[n+1], y[n+1];
map<pair<int, int>, int> id;
for(int i=1; i<=n; i++) {
cin >> x[i] >> y[i];
id[{x[i], y[i]}] = i;
mp[x[i]].insert(y[i]);
mp[x[i] + 1].insert(MOD);
}
int st[18][n+1];
for(int i=1; i<=n; i++) {
auto it = mp[x[i] + 1].lower_bound(y[i]);
if((*it) != MOD) {
int wow = id[{x[i] + 1, (*it)}];
st[0][i] = wow;
}
else {
st[0][i] = -1;
}
}
for(int i=1; i<18; i++) {
for(int j=1; j<=n; j++) {
if(st[i-1][j] == -1) st[i][j] = -1;
else st[i][j] = st[i-1][st[i-1][j]];
}
}
int t;
cin >> t;
while(t--) {
int xs, ys, xe, ye;
cin >> xs >> ys >> xe >> ye;
if(!(xs <= xe && ys <= ye)) {
cout << "No\n";
continue;
}
if(xs == xe) {
cout << "Yes\n";
continue;
}
int k = xe - xs - 1;
mp[xs].insert(MOD);
auto it = mp[xs].lower_bound(ys);
int stt;
if((*it) != MOD) {
stt = id[{xs, (*it)}];
}
else {
cout << "No\n";
continue;
}
bool gg = 0;
for(int j=17; j>=0; j--) {
if(k >= (1<<j)) {
k -= (1<<j);
stt = st[j][stt];
if(stt == -1) {
cout << "No\n";
gg = 1;
break;
}
}
}
if(!gg) {
if(y[stt] <= ye) {
cout << "Yes\n";
}
else {
cout << "No\n";
}
}
}
}
int32_t main(){
ios::sync_with_stdio(0); cin.tie(0);
int t = 1; //cin >> t;
for(int i=1; i<=t; i++) solve(i);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
2644 KB |
200 token(s): yes count is 21, no count is 179 |
2 |
Correct |
10 ms |
3076 KB |
200 token(s): yes count is 70, no count is 130 |
3 |
Correct |
6 ms |
2260 KB |
197 token(s): yes count is 25, no count is 172 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
420 ms |
55640 KB |
4000 token(s): yes count is 99, no count is 3901 |
2 |
Correct |
456 ms |
55740 KB |
4000 token(s): yes count is 91, no count is 3909 |
3 |
Correct |
438 ms |
55188 KB |
4000 token(s): yes count is 4000, no count is 0 |
4 |
Correct |
434 ms |
55664 KB |
4000 token(s): yes count is 1991, no count is 2009 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
609 ms |
65872 KB |
200000 token(s): yes count is 110486, no count is 89514 |
2 |
Correct |
626 ms |
66080 KB |
200000 token(s): yes count is 114664, no count is 85336 |
3 |
Correct |
656 ms |
65912 KB |
200000 token(s): yes count is 86232, no count is 113768 |
4 |
Correct |
700 ms |
66292 KB |
200000 token(s): yes count is 94603, no count is 105397 |
5 |
Correct |
677 ms |
66212 KB |
200000 token(s): yes count is 94148, no count is 105852 |
6 |
Correct |
737 ms |
74888 KB |
200000 token(s): yes count is 97163, no count is 102837 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
1876 KB |
5000 token(s): yes count is 3238, no count is 1762 |
2 |
Correct |
9 ms |
1972 KB |
5000 token(s): yes count is 3837, no count is 1163 |
3 |
Correct |
9 ms |
3156 KB |
5000 token(s): yes count is 4104, no count is 896 |
4 |
Correct |
8 ms |
1968 KB |
5000 token(s): yes count is 3934, no count is 1066 |
5 |
Correct |
9 ms |
2132 KB |
5000 token(s): yes count is 3384, no count is 1616 |
6 |
Correct |
7 ms |
1956 KB |
5000 token(s): yes count is 3390, no count is 1610 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
900 ms |
76524 KB |
200000 token(s): yes count is 171404, no count is 28596 |
2 |
Correct |
806 ms |
68648 KB |
200000 token(s): yes count is 161254, no count is 38746 |
3 |
Correct |
661 ms |
66016 KB |
200000 token(s): yes count is 117455, no count is 82545 |
4 |
Correct |
921 ms |
93656 KB |
200000 token(s): yes count is 182118, no count is 17882 |
5 |
Correct |
747 ms |
75516 KB |
200000 token(s): yes count is 167565, no count is 32435 |
6 |
Correct |
727 ms |
65936 KB |
200000 token(s): yes count is 156797, no count is 43203 |
7 |
Correct |
699 ms |
66120 KB |
200000 token(s): yes count is 156797, no count is 43203 |
8 |
Correct |
656 ms |
66040 KB |
200000 token(s): yes count is 122100, no count is 77900 |
9 |
Correct |
839 ms |
75076 KB |
200000 token(s): yes count is 139670, no count is 60330 |
10 |
Correct |
858 ms |
75096 KB |
200000 token(s): yes count is 165806, no count is 34194 |
11 |
Correct |
908 ms |
84096 KB |
200000 token(s): yes count is 175646, no count is 24354 |
12 |
Correct |
531 ms |
65948 KB |
200000 token(s): yes count is 134695, no count is 65305 |
13 |
Correct |
568 ms |
66192 KB |
200000 token(s): yes count is 126733, no count is 73267 |
14 |
Correct |
767 ms |
66172 KB |
200000 token(s): yes count is 155290, no count is 44710 |
15 |
Correct |
608 ms |
65900 KB |
200000 token(s): yes count is 129674, no count is 70326 |