#include "game.h"
#include <algorithm>
#include <iostream>
#include <cassert>
#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <cmath>
#include <queue>
#include <map>
#include <set>
using namespace std;
#define type(x) __typeof((x).begin())
#define foreach(i, x) for(type(x) i = (x).begin(); i != (x).end(); i++)
#define y1 ___y1
typedef long long ll;
typedef pair < int, int > ii;
const int inf = 1e9 + 333;
const ll linf = 1e18 + 333;
const int N = 22000;
const int K = 92;
class tree{ public:
int x, y, x1, y1, x2, y2;
ll val, ans;
tree *l, *r;
tree() {
x = y = x1 = y1 = x2 = y2 = -1;
val = ans = 0;
l = r = 0;
}
};
typedef tree* pTree;
int r, c, n, sz, type, x1, y1, x2, y2;
ll k;
map < ii, int > h;
map < ii, ll > M;
pair < ii, ll > a[N];
inline ll gcd(ll a, ll b) {
while(b) {
a %= b;
swap(a, b);
}
return a;
}
bool cmp(pair < ii, ll > x, pair < ii, ll > y) {
if(x.first.second == y.first.second)
return x.first.first < y.first.first;
return x.first.second < y.first.second;
}
void init(pTree t, int l, int r, bool d = 0) {
int m = l + r >> 1;
if(!d)
nth_element(a + l, a + m, a + r + 1);
else
nth_element(a + l, a + m, a + r + 1, cmp);
t -> x = t -> x1 = t -> x2 = a[m].first.first;
t -> y = t -> y1 = t -> y2 = a[m].first.second;
t -> val = t -> ans = a[m].second;
if(l < m) {
if(!t -> l)
t -> l = new tree;
init(t -> l, l, m - 1, !d);
t -> ans = gcd(t -> ans, t -> l -> ans);
t -> x1 = min(t -> x1, t -> l -> x1);
t -> y1 = min(t -> y1, t -> l -> y1);
t -> x2 = max(t -> x2, t -> l -> x2);
t -> y2 = max(t -> y2, t -> l -> y2);
}
if(m < r) {
if(!t -> r)
t -> r = new tree;
init(t -> r, m + 1, r, !d);
t -> ans = gcd(t -> ans, t -> r -> ans);
t -> x1 = min(t -> x1, t -> r -> x1);
t -> y1 = min(t -> y1, t -> r -> y1);
t -> x2 = max(t -> x2, t -> r -> x2);
t -> y2 = max(t -> y2, t -> r -> y2);
}
}
ll query(pTree t) {
if(x2 < t -> x1 or t -> x2 < x1 or y2 < t -> y1 or t -> y2 < y1)
return 0;
if(x1 <= t -> x1 and t -> x2 <= x2 and y1 <= t -> y1 and t -> y2 <= y2)
return t -> ans;
ll ans = 0;
if(x1 <= t -> x and t -> x <= x2 and y1 <= t -> y and t -> y <= y2)
ans = t -> val;
if(t -> l)
ans = gcd(ans, query(t -> l));
if(t -> r)
ans = gcd(ans, query(t -> r));
return ans;
}
void change(pTree t, bool d = 0) {
if(x1 == t -> x and y1 == t -> y) {
t -> val = t -> ans = k;
if(t -> l)
t -> ans = gcd(t -> ans, t -> l -> ans);
if(t -> r)
t -> ans = gcd(t -> ans, t -> r -> ans);
return;
}
if((!d and ii(x1, y1) < ii(t -> x, t -> y)) or (d and ii(y1, x1) < ii(t -> y, t -> x)))
change(t -> l, !d);
else
change(t -> r, !d);
t -> ans = t -> val;
if(t -> l)
t -> ans = gcd(t -> ans, t -> l -> ans);
if(t -> r)
t -> ans = gcd(t -> ans, t -> r -> ans);
}
pTree t;
void init(int R, int C) {
r = R;
c = C;
t = new tree;
}
void update(int x1, int y1, ll k) {
:: x1 = x1;
:: y1 = y1;
:: k = k;
if(h.find(ii(x1, y1)) != h.end()) {
change(t);
a[h[ii(x1, y1)]].second = k;
return;
}
M[ii(x1, y1)] = k;
if(M.size() == K) {
foreach(it, M)
a[sz++] = *it;
M.clear();
init(t, 0, sz - 1);
for(int i = 0; i < sz; i++)
h[a[i].first] = i;
}
}
ll calculate(int x1, int y1, int x2, int y2) {
:: x1 = x1;
:: y1 = y1;
:: x2 = x2;
:: y2 = y2;
ll ans = query(t);
foreach(it, M) {
int x = it -> first.first;
int y = it -> first.second;
ll k = it -> second;
if(x1 <= x and x <= x2 and y1 <= y and y <= y2)
ans = gcd(ans, k);
}
return ans;
}
Compilation message
game.cpp: In function 'void init(pTree, int, int, bool)':
game.cpp:63:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
63 | int m = l + r >> 1;
| ~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
312 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
304 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
308 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
304 KB |
Output is correct |
11 |
Correct |
1 ms |
308 KB |
Output is correct |
12 |
Correct |
0 ms |
308 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
738 ms |
10048 KB |
Output is correct |
5 |
Correct |
450 ms |
9904 KB |
Output is correct |
6 |
Correct |
686 ms |
7392 KB |
Output is correct |
7 |
Correct |
684 ms |
7200 KB |
Output is correct |
8 |
Correct |
398 ms |
6768 KB |
Output is correct |
9 |
Correct |
692 ms |
7276 KB |
Output is correct |
10 |
Correct |
691 ms |
6732 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1414 ms |
9744 KB |
Output is correct |
13 |
Correct |
1917 ms |
5900 KB |
Output is correct |
14 |
Correct |
328 ms |
5596 KB |
Output is correct |
15 |
Correct |
1929 ms |
6476 KB |
Output is correct |
16 |
Correct |
495 ms |
6604 KB |
Output is correct |
17 |
Correct |
682 ms |
7072 KB |
Output is correct |
18 |
Correct |
1432 ms |
8108 KB |
Output is correct |
19 |
Correct |
1145 ms |
8148 KB |
Output is correct |
20 |
Correct |
1196 ms |
7788 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
304 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
308 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
308 KB |
Output is correct |
12 |
Correct |
739 ms |
10236 KB |
Output is correct |
13 |
Correct |
454 ms |
9948 KB |
Output is correct |
14 |
Correct |
680 ms |
7372 KB |
Output is correct |
15 |
Correct |
688 ms |
7064 KB |
Output is correct |
16 |
Correct |
406 ms |
6812 KB |
Output is correct |
17 |
Correct |
694 ms |
7288 KB |
Output is correct |
18 |
Correct |
692 ms |
6860 KB |
Output is correct |
19 |
Correct |
1418 ms |
9960 KB |
Output is correct |
20 |
Correct |
1905 ms |
5860 KB |
Output is correct |
21 |
Correct |
328 ms |
5484 KB |
Output is correct |
22 |
Correct |
1943 ms |
6464 KB |
Output is correct |
23 |
Correct |
494 ms |
6680 KB |
Output is correct |
24 |
Correct |
675 ms |
7132 KB |
Output is correct |
25 |
Correct |
1419 ms |
7956 KB |
Output is correct |
26 |
Correct |
1141 ms |
8072 KB |
Output is correct |
27 |
Correct |
1199 ms |
7500 KB |
Output is correct |
28 |
Correct |
305 ms |
12780 KB |
Output is correct |
29 |
Correct |
1567 ms |
15452 KB |
Output is correct |
30 |
Correct |
2242 ms |
9152 KB |
Output is correct |
31 |
Correct |
1762 ms |
8916 KB |
Output is correct |
32 |
Correct |
333 ms |
10052 KB |
Output is correct |
33 |
Correct |
380 ms |
9976 KB |
Output is correct |
34 |
Correct |
515 ms |
9240 KB |
Output is correct |
35 |
Correct |
719 ms |
11988 KB |
Output is correct |
36 |
Correct |
1463 ms |
13332 KB |
Output is correct |
37 |
Correct |
1139 ms |
13552 KB |
Output is correct |
38 |
Correct |
1218 ms |
12876 KB |
Output is correct |
39 |
Correct |
953 ms |
12904 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
304 KB |
Output is correct |
7 |
Correct |
1 ms |
300 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
743 ms |
10148 KB |
Output is correct |
13 |
Correct |
441 ms |
9932 KB |
Output is correct |
14 |
Correct |
690 ms |
7396 KB |
Output is correct |
15 |
Correct |
698 ms |
7068 KB |
Output is correct |
16 |
Correct |
400 ms |
6808 KB |
Output is correct |
17 |
Correct |
693 ms |
7220 KB |
Output is correct |
18 |
Correct |
697 ms |
6956 KB |
Output is correct |
19 |
Correct |
1436 ms |
9836 KB |
Output is correct |
20 |
Correct |
1940 ms |
5856 KB |
Output is correct |
21 |
Correct |
329 ms |
5616 KB |
Output is correct |
22 |
Correct |
1999 ms |
6436 KB |
Output is correct |
23 |
Correct |
504 ms |
6632 KB |
Output is correct |
24 |
Correct |
692 ms |
7092 KB |
Output is correct |
25 |
Correct |
1473 ms |
8032 KB |
Output is correct |
26 |
Correct |
1157 ms |
8192 KB |
Output is correct |
27 |
Correct |
1200 ms |
7704 KB |
Output is correct |
28 |
Correct |
306 ms |
12788 KB |
Output is correct |
29 |
Correct |
1608 ms |
15336 KB |
Output is correct |
30 |
Correct |
2248 ms |
9128 KB |
Output is correct |
31 |
Correct |
1859 ms |
8924 KB |
Output is correct |
32 |
Correct |
358 ms |
10068 KB |
Output is correct |
33 |
Correct |
479 ms |
9960 KB |
Output is correct |
34 |
Correct |
534 ms |
9096 KB |
Output is correct |
35 |
Correct |
742 ms |
12036 KB |
Output is correct |
36 |
Correct |
1543 ms |
13260 KB |
Output is correct |
37 |
Correct |
1155 ms |
13444 KB |
Output is correct |
38 |
Correct |
1317 ms |
12880 KB |
Output is correct |
39 |
Correct |
600 ms |
14544 KB |
Output is correct |
40 |
Correct |
3185 ms |
16496 KB |
Output is correct |
41 |
Correct |
4009 ms |
11300 KB |
Output is correct |
42 |
Correct |
3182 ms |
10472 KB |
Output is correct |
43 |
Correct |
920 ms |
11292 KB |
Output is correct |
44 |
Correct |
460 ms |
10428 KB |
Output is correct |
45 |
Correct |
984 ms |
12812 KB |
Output is correct |
46 |
Correct |
2274 ms |
15316 KB |
Output is correct |
47 |
Correct |
2279 ms |
15400 KB |
Output is correct |
48 |
Correct |
2396 ms |
15016 KB |
Output is correct |
49 |
Correct |
0 ms |
212 KB |
Output is correct |