#include <bits/stdc++.h>
using namespace std;
#define pii pair <int, int>
#define fi first
#define se second
#define mp make_pair
#define isz(a) (int)(a).size()
const int NM = 2e5, BL = 1e4, inf = INT_MAX;
int n, t, type[NM+5], a[NM+5], b[NM+5], id[NM+5], k[NM+5], lastans = 0;
int num = 0, l[NM+5], r[NM+5];
bool del[NM+5];
int sz, sz1, sz2;
vector <pii> v;
vector <int> arr, arr1, arr2;
vector <pii> bit1[NM+5], bit2[NM+5];
int cnt[NM+5];
void update(int n, vector <pii> bit[NM+5], int x, int y){
while (x <= n){
if (bit[x].empty()){
bit[x].push_back(mp(y, 1));
}
else if (bit[x].back().fi < y){
bit[x].push_back(mp(y, bit[x].back().se+1));
}
else{
bit[x].back().se++;
}
x += x & (-x);
}
}
int get(vector <pii> bit[NM+5], int x, int y){
int res = 0, z;
while (x > 0){
if (bit[x].empty() || y < bit[x][0].fi);
else if (y >= bit[x].back().fi){
res += bit[x].back().se;
}
else{
z = upper_bound(bit[x].begin(), bit[x].end(), mp(y, +inf))-bit[x].begin();
res += bit[x][z-1].se;
}
x -= x & (-x);
}
return res;
}
void process(){
v.clear();
arr.clear();
arr1.clear();
arr2.clear();
for (int i = 1; i <= num; i++)
if (!del[i]){
v.push_back(mp(l[i], r[i]));
arr.push_back(-(r[i]-l[i]+1));
arr1.push_back(-l[i]);
arr2.push_back(r[i]);
}
sort(v.begin(), v.end(), [&](pii a, pii b){
return a.se-a.fi+1 > b.se-b.fi+1;
});
sort(arr.begin(), arr.end()); arr.erase(unique(arr.begin(), arr.end()), arr.end());
sort(arr1.begin(), arr1.end()); arr1.erase(unique(arr1.begin(), arr1.end()), arr1.end());
sort(arr2.begin(), arr2.end()); arr2.erase(unique(arr2.begin(), arr2.end()), arr2.end());
sz = isz(arr), sz1 = isz(arr1), sz2 = isz(arr2);
for (int i = 1; i <= sz1; i++) bit1[i].clear();
for (int i = 1; i <= sz2; i++) bit2[i].clear();
memset(cnt, 0, sizeof(cnt));
int j = 0;
for (pii P : v){
update(sz1, bit1, lower_bound(arr1.begin(), arr1.end(), -P.fi)-arr1.begin()+1, -(P.se-P.fi+1));
update(sz2, bit2, lower_bound(arr2.begin(), arr2.end(), P.se)-arr2.begin()+1, -(P.se-P.fi+1));
while (arr[j] < -(P.se-P.fi+1)) j++;
cnt[j+1]++;
}
for (int i = 1; i <= sz; i++) cnt[i] += cnt[i-1];
}
int find_pos(vector <int> &v, int x){
if (v.empty()) return 0;
if (x < v[0]) return 0;
if (x >= v.back()) return isz(v);
return upper_bound(v.begin(), v.end(), x)-v.begin();
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n >> t;
for (int i = 0; i < n; i++){
cin >> type[i];
if (type[i] == 1){
cin >> a[i] >> b[i];
a[i] ^= (t*lastans), b[i] ^= (t*lastans);
if (a[i] > b[i]) swap(a[i], b[i]);
l[++num] = a[i], r[num] = b[i];
}
else if (type[i] == 2){
cin >> id[i];
del[id[i]] = 1;
}
else{
cin >> a[i] >> b[i] >> k[i];
a[i] ^= (t*lastans), b[i] ^= (t*lastans);
if (a[i] > b[i]) swap(a[i], b[i]);
if (b[i]-a[i]+1 < k[i]) lastans = 0;
else{
lastans = cnt[find_pos(arr, -k[i])]-get(bit1, find_pos(arr1, -b[i]+k[i]-2), -k[i])
-get(bit2, find_pos(arr2, a[i] < +inf-(k[i]-2) ? a[i]+k[i]-2 : +inf), -k[i]);
for (int j = i-i%BL; j < i; j++){
if (type[j] == 1){
int lo = max(a[j], a[i]), hi = min(b[j], b[i]);
if (hi-lo+1 >= k[i]) lastans++;
}
else if (type[j] == 2){
int lo = max(l[id[j]], a[i]), hi = min(r[id[j]], b[i]);
if (hi-lo+1 >= k[i]) lastans--;
}
}
}
lastans = max(lastans, 0);
cout << lastans << '\n';
}
if (i%BL == BL-1 && i < n-1){
process();
}
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
12636 KB |
Output is correct |
2 |
Correct |
4 ms |
12740 KB |
Output is correct |
3 |
Correct |
27 ms |
12632 KB |
Output is correct |
4 |
Correct |
28 ms |
12772 KB |
Output is correct |
5 |
Correct |
20 ms |
12636 KB |
Output is correct |
6 |
Correct |
24 ms |
12636 KB |
Output is correct |
7 |
Correct |
27 ms |
12812 KB |
Output is correct |
8 |
Correct |
19 ms |
12636 KB |
Output is correct |
9 |
Correct |
26 ms |
12888 KB |
Output is correct |
10 |
Correct |
9 ms |
12632 KB |
Output is correct |
11 |
Correct |
40 ms |
12636 KB |
Output is correct |
12 |
Correct |
32 ms |
12832 KB |
Output is correct |
13 |
Correct |
9 ms |
12632 KB |
Output is correct |
14 |
Correct |
20 ms |
12632 KB |
Output is correct |
15 |
Correct |
27 ms |
12632 KB |
Output is correct |
16 |
Correct |
27 ms |
12636 KB |
Output is correct |
17 |
Correct |
28 ms |
12912 KB |
Output is correct |
18 |
Correct |
11 ms |
12792 KB |
Output is correct |
19 |
Correct |
26 ms |
12632 KB |
Output is correct |
20 |
Correct |
24 ms |
12824 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
510 ms |
24008 KB |
Output is correct |
2 |
Correct |
515 ms |
24268 KB |
Output is correct |
3 |
Correct |
501 ms |
24576 KB |
Output is correct |
4 |
Correct |
610 ms |
24996 KB |
Output is correct |
5 |
Correct |
505 ms |
33092 KB |
Output is correct |
6 |
Correct |
485 ms |
32652 KB |
Output is correct |
7 |
Correct |
576 ms |
23928 KB |
Output is correct |
8 |
Correct |
507 ms |
24004 KB |
Output is correct |
9 |
Correct |
501 ms |
24028 KB |
Output is correct |
10 |
Correct |
494 ms |
17660 KB |
Output is correct |
11 |
Correct |
555 ms |
19148 KB |
Output is correct |
12 |
Correct |
514 ms |
28820 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1233 ms |
14188 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1069 ms |
14476 KB |
Output is correct |
2 |
Correct |
1062 ms |
14396 KB |
Output is correct |
3 |
Correct |
1086 ms |
13972 KB |
Output is correct |
4 |
Correct |
1087 ms |
14632 KB |
Output is correct |
5 |
Correct |
557 ms |
30072 KB |
Output is correct |
6 |
Correct |
536 ms |
16656 KB |
Output is correct |
7 |
Correct |
557 ms |
31688 KB |
Output is correct |
8 |
Correct |
479 ms |
17872 KB |
Output is correct |
9 |
Correct |
989 ms |
20940 KB |
Output is correct |
10 |
Correct |
748 ms |
28864 KB |
Output is correct |
11 |
Correct |
1085 ms |
16468 KB |
Output is correct |
12 |
Correct |
476 ms |
32952 KB |
Output is correct |
13 |
Correct |
862 ms |
24736 KB |
Output is correct |
14 |
Correct |
1054 ms |
19496 KB |
Output is correct |
15 |
Correct |
554 ms |
31428 KB |
Output is correct |
16 |
Correct |
829 ms |
25720 KB |
Output is correct |
17 |
Correct |
527 ms |
24396 KB |
Output is correct |
18 |
Correct |
483 ms |
23976 KB |
Output is correct |
19 |
Correct |
484 ms |
24164 KB |
Output is correct |
20 |
Correct |
516 ms |
24392 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
12636 KB |
Output is correct |
2 |
Correct |
4 ms |
12740 KB |
Output is correct |
3 |
Correct |
27 ms |
12632 KB |
Output is correct |
4 |
Correct |
28 ms |
12772 KB |
Output is correct |
5 |
Correct |
20 ms |
12636 KB |
Output is correct |
6 |
Correct |
24 ms |
12636 KB |
Output is correct |
7 |
Correct |
27 ms |
12812 KB |
Output is correct |
8 |
Correct |
19 ms |
12636 KB |
Output is correct |
9 |
Correct |
26 ms |
12888 KB |
Output is correct |
10 |
Correct |
9 ms |
12632 KB |
Output is correct |
11 |
Correct |
40 ms |
12636 KB |
Output is correct |
12 |
Correct |
32 ms |
12832 KB |
Output is correct |
13 |
Correct |
9 ms |
12632 KB |
Output is correct |
14 |
Correct |
20 ms |
12632 KB |
Output is correct |
15 |
Correct |
27 ms |
12632 KB |
Output is correct |
16 |
Correct |
27 ms |
12636 KB |
Output is correct |
17 |
Correct |
28 ms |
12912 KB |
Output is correct |
18 |
Correct |
11 ms |
12792 KB |
Output is correct |
19 |
Correct |
26 ms |
12632 KB |
Output is correct |
20 |
Correct |
24 ms |
12824 KB |
Output is correct |
21 |
Correct |
510 ms |
24008 KB |
Output is correct |
22 |
Correct |
515 ms |
24268 KB |
Output is correct |
23 |
Correct |
501 ms |
24576 KB |
Output is correct |
24 |
Correct |
610 ms |
24996 KB |
Output is correct |
25 |
Correct |
505 ms |
33092 KB |
Output is correct |
26 |
Correct |
485 ms |
32652 KB |
Output is correct |
27 |
Correct |
576 ms |
23928 KB |
Output is correct |
28 |
Correct |
507 ms |
24004 KB |
Output is correct |
29 |
Correct |
501 ms |
24028 KB |
Output is correct |
30 |
Correct |
494 ms |
17660 KB |
Output is correct |
31 |
Correct |
555 ms |
19148 KB |
Output is correct |
32 |
Correct |
514 ms |
28820 KB |
Output is correct |
33 |
Correct |
1069 ms |
14476 KB |
Output is correct |
34 |
Correct |
1062 ms |
14396 KB |
Output is correct |
35 |
Correct |
1086 ms |
13972 KB |
Output is correct |
36 |
Correct |
1087 ms |
14632 KB |
Output is correct |
37 |
Correct |
557 ms |
30072 KB |
Output is correct |
38 |
Correct |
536 ms |
16656 KB |
Output is correct |
39 |
Correct |
557 ms |
31688 KB |
Output is correct |
40 |
Correct |
479 ms |
17872 KB |
Output is correct |
41 |
Correct |
989 ms |
20940 KB |
Output is correct |
42 |
Correct |
748 ms |
28864 KB |
Output is correct |
43 |
Correct |
1085 ms |
16468 KB |
Output is correct |
44 |
Correct |
476 ms |
32952 KB |
Output is correct |
45 |
Correct |
862 ms |
24736 KB |
Output is correct |
46 |
Correct |
1054 ms |
19496 KB |
Output is correct |
47 |
Correct |
554 ms |
31428 KB |
Output is correct |
48 |
Correct |
829 ms |
25720 KB |
Output is correct |
49 |
Correct |
527 ms |
24396 KB |
Output is correct |
50 |
Correct |
483 ms |
23976 KB |
Output is correct |
51 |
Correct |
484 ms |
24164 KB |
Output is correct |
52 |
Correct |
516 ms |
24392 KB |
Output is correct |
53 |
Correct |
1076 ms |
14044 KB |
Output is correct |
54 |
Correct |
1087 ms |
14008 KB |
Output is correct |
55 |
Correct |
1085 ms |
14380 KB |
Output is correct |
56 |
Correct |
1089 ms |
13980 KB |
Output is correct |
57 |
Correct |
551 ms |
20008 KB |
Output is correct |
58 |
Correct |
464 ms |
15932 KB |
Output is correct |
59 |
Correct |
590 ms |
26248 KB |
Output is correct |
60 |
Correct |
502 ms |
15444 KB |
Output is correct |
61 |
Correct |
856 ms |
25136 KB |
Output is correct |
62 |
Correct |
589 ms |
31520 KB |
Output is correct |
63 |
Correct |
515 ms |
32532 KB |
Output is correct |
64 |
Correct |
591 ms |
32744 KB |
Output is correct |
65 |
Correct |
1101 ms |
17600 KB |
Output is correct |
66 |
Correct |
1113 ms |
16936 KB |
Output is correct |
67 |
Correct |
822 ms |
25672 KB |
Output is correct |
68 |
Correct |
930 ms |
23080 KB |
Output is correct |
69 |
Correct |
511 ms |
23972 KB |
Output is correct |
70 |
Correct |
511 ms |
23760 KB |
Output is correct |
71 |
Correct |
536 ms |
24168 KB |
Output is correct |
72 |
Correct |
528 ms |
24024 KB |
Output is correct |
73 |
Correct |
1036 ms |
18184 KB |
Output is correct |
74 |
Correct |
940 ms |
22784 KB |
Output is correct |
75 |
Correct |
424 ms |
32240 KB |
Output is correct |
76 |
Correct |
448 ms |
32712 KB |
Output is correct |
77 |
Correct |
1078 ms |
14424 KB |
Output is correct |
78 |
Correct |
1104 ms |
14176 KB |
Output is correct |
79 |
Correct |
1077 ms |
14416 KB |
Output is correct |
80 |
Correct |
1069 ms |
14164 KB |
Output is correct |
81 |
Correct |
935 ms |
22796 KB |
Output is correct |
82 |
Correct |
1053 ms |
18344 KB |
Output is correct |
83 |
Correct |
1081 ms |
16640 KB |
Output is correct |
84 |
Correct |
931 ms |
22784 KB |
Output is correct |
85 |
Correct |
814 ms |
25928 KB |
Output is correct |
86 |
Correct |
796 ms |
28260 KB |
Output is correct |
87 |
Correct |
1067 ms |
21452 KB |
Output is correct |
88 |
Correct |
1118 ms |
16360 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
12636 KB |
Output is correct |
2 |
Correct |
4 ms |
12740 KB |
Output is correct |
3 |
Correct |
27 ms |
12632 KB |
Output is correct |
4 |
Correct |
28 ms |
12772 KB |
Output is correct |
5 |
Correct |
20 ms |
12636 KB |
Output is correct |
6 |
Correct |
24 ms |
12636 KB |
Output is correct |
7 |
Correct |
27 ms |
12812 KB |
Output is correct |
8 |
Correct |
19 ms |
12636 KB |
Output is correct |
9 |
Correct |
26 ms |
12888 KB |
Output is correct |
10 |
Correct |
9 ms |
12632 KB |
Output is correct |
11 |
Correct |
40 ms |
12636 KB |
Output is correct |
12 |
Correct |
32 ms |
12832 KB |
Output is correct |
13 |
Correct |
9 ms |
12632 KB |
Output is correct |
14 |
Correct |
20 ms |
12632 KB |
Output is correct |
15 |
Correct |
27 ms |
12632 KB |
Output is correct |
16 |
Correct |
27 ms |
12636 KB |
Output is correct |
17 |
Correct |
28 ms |
12912 KB |
Output is correct |
18 |
Correct |
11 ms |
12792 KB |
Output is correct |
19 |
Correct |
26 ms |
12632 KB |
Output is correct |
20 |
Correct |
24 ms |
12824 KB |
Output is correct |
21 |
Correct |
510 ms |
24008 KB |
Output is correct |
22 |
Correct |
515 ms |
24268 KB |
Output is correct |
23 |
Correct |
501 ms |
24576 KB |
Output is correct |
24 |
Correct |
610 ms |
24996 KB |
Output is correct |
25 |
Correct |
505 ms |
33092 KB |
Output is correct |
26 |
Correct |
485 ms |
32652 KB |
Output is correct |
27 |
Correct |
576 ms |
23928 KB |
Output is correct |
28 |
Correct |
507 ms |
24004 KB |
Output is correct |
29 |
Correct |
501 ms |
24028 KB |
Output is correct |
30 |
Correct |
494 ms |
17660 KB |
Output is correct |
31 |
Correct |
555 ms |
19148 KB |
Output is correct |
32 |
Correct |
514 ms |
28820 KB |
Output is correct |
33 |
Incorrect |
1233 ms |
14188 KB |
Output isn't correct |
34 |
Halted |
0 ms |
0 KB |
- |