#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//#include "bits_stdc++.h"
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define lb lower_bound
#define ub upper_bound
#define input(x) scanf("%lld", &x);
#define input2(x, y) scanf("%lld%lld", &x, &y);
#define input3(x, y, z) scanf("%lld%lld%lld", &x, &y, &z);
#define input4(x, y, z, a) scanf("%lld%lld%lld%lld", &x, &y, &z, &a);
#define print(x, y) printf("%lld%c", x, y);
#define show(x) cerr << #x << " is " << x << endl;
#define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl;
#define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl;
#define discretize(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end());
using namespace std;
//using namespace __gnu_pbds;
//#define ordered_set tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>
//#define ordered_multiset tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update>
typedef long long ll;
typedef long double ld;
typedef pair<ld, ll> pd;
typedef pair<string, ll> psl;
typedef pair<ll, ll> pi;
typedef pair<ll, pi> pii;
struct query
{
ll a, b, c;
};
struct node
{
ll layer;
set<ll> s;
node *zero, *one;
node(ll i)
{
layer = i;
zero = one = nullptr;
}
void createl()
{
if (layer>=30 || zero!=nullptr) return;
zero = new node(layer +1);
}
void creater()
{
if (layer>=30 || one!=nullptr) return;
one = new node(layer +1);
}
void insert(ll val, ll time)
{
s.insert(time);
if (layer==30) return; // finish
bool bit= val&(1<<(30-layer-1));
if (bit) {creater(); one->insert(val, time);}
else {createl(); zero->insert(val, time);}
}
ll xorquery(ll val, ll l, ll r)
{
if (layer==30) return 0;
bool wanted = !(val&((1<<(30-layer-1))));
if (wanted)
{
if (one!=nullptr)
{
auto it = one->s.lb(l);
if (it!=one->s.end() && *it<=r) return one->xorquery(val, l, r)^(1<<(30-layer-1));
}
createl();
return zero->xorquery(val, l, r);
}
else
{
if (zero!=nullptr)
{
auto it = zero->s.lb(l);
if (it!=zero->s.end() && *it<=r) return zero->xorquery(val, l, r)^(1<<(30-layer-1));
}
creater();
return one->xorquery(val, l, r);
}
}
}*root;
ll label = -1;
ll in[200005], out[200005], root_xor[200005];
vector<pi> add[200005];
vector<query> queries;
void dfs(ll x)
{
in[x] = ++label;
for (pi u: add[x])
{
root_xor[u.f] = root_xor[x]^u.s;
dfs(u.f);
}
out[x] = label;
}
int main()
{
ll label = 1;
ll q;
string s;
input(q);
queries.resize(q);
for (ll i=0; i<q; ++i)
{
cin >> s;
if (s=="Add") queries[i].a = 0;
else queries[i].a = 1;
input2(queries[i].b, queries[i].c);
if (s=="Add")
{
add[queries[i].b].pb(mp(++label, queries[i].c));
}
}
dfs(1);
root = new node(0);
root->insert(0, 0);
label = 1;
for (ll i=0; i<q; ++i)
{
ll a = queries[i].a, b = queries[i].b, c = queries[i].c;
if (a)
{
print(root->xorquery(root_xor[b], in[c], out[c]), '\n');
}
else
{
++label;
root->insert(root_xor[label], in[label]);
}
}
return 0;
}
Compilation message
klasika.cpp: In function 'int main()':
klasika.cpp:11:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
11 | #define input(x) scanf("%lld", &x);
| ~~~~~^~~~~~~~~~~~
klasika.cpp:109:2: note: in expansion of macro 'input'
109 | input(q);
| ^~~~~
klasika.cpp:12:27: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | #define input2(x, y) scanf("%lld%lld", &x, &y);
| ~~~~~^~~~~~~~~~~~~~~~~~~~
klasika.cpp:116:3: note: in expansion of macro 'input2'
116 | input2(queries[i].b, queries[i].c);
| ^~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
9052 KB |
Output is correct |
2 |
Correct |
2 ms |
9052 KB |
Output is correct |
3 |
Correct |
2 ms |
9048 KB |
Output is correct |
4 |
Correct |
2 ms |
9308 KB |
Output is correct |
5 |
Correct |
2 ms |
8796 KB |
Output is correct |
6 |
Correct |
3 ms |
9072 KB |
Output is correct |
7 |
Correct |
2 ms |
9052 KB |
Output is correct |
8 |
Correct |
2 ms |
9308 KB |
Output is correct |
9 |
Correct |
2 ms |
8792 KB |
Output is correct |
10 |
Correct |
2 ms |
9052 KB |
Output is correct |
11 |
Correct |
3 ms |
9052 KB |
Output is correct |
12 |
Correct |
2 ms |
9560 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
9052 KB |
Output is correct |
2 |
Correct |
2 ms |
9052 KB |
Output is correct |
3 |
Correct |
2 ms |
9048 KB |
Output is correct |
4 |
Correct |
2 ms |
9308 KB |
Output is correct |
5 |
Correct |
2 ms |
8796 KB |
Output is correct |
6 |
Correct |
3 ms |
9072 KB |
Output is correct |
7 |
Correct |
2 ms |
9052 KB |
Output is correct |
8 |
Correct |
2 ms |
9308 KB |
Output is correct |
9 |
Correct |
2 ms |
8792 KB |
Output is correct |
10 |
Correct |
2 ms |
9052 KB |
Output is correct |
11 |
Correct |
3 ms |
9052 KB |
Output is correct |
12 |
Correct |
2 ms |
9560 KB |
Output is correct |
13 |
Correct |
5 ms |
10076 KB |
Output is correct |
14 |
Correct |
7 ms |
11356 KB |
Output is correct |
15 |
Correct |
8 ms |
12800 KB |
Output is correct |
16 |
Correct |
8 ms |
13916 KB |
Output is correct |
17 |
Correct |
5 ms |
10328 KB |
Output is correct |
18 |
Correct |
6 ms |
11356 KB |
Output is correct |
19 |
Correct |
7 ms |
12516 KB |
Output is correct |
20 |
Correct |
8 ms |
13656 KB |
Output is correct |
21 |
Correct |
4 ms |
10076 KB |
Output is correct |
22 |
Correct |
6 ms |
11352 KB |
Output is correct |
23 |
Correct |
8 ms |
12572 KB |
Output is correct |
24 |
Correct |
9 ms |
13660 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
518 ms |
127496 KB |
Output is correct |
2 |
Correct |
853 ms |
232276 KB |
Output is correct |
3 |
Correct |
1303 ms |
331248 KB |
Output is correct |
4 |
Correct |
1576 ms |
436148 KB |
Output is correct |
5 |
Correct |
579 ms |
126616 KB |
Output is correct |
6 |
Correct |
1045 ms |
229960 KB |
Output is correct |
7 |
Correct |
1400 ms |
329084 KB |
Output is correct |
8 |
Correct |
1893 ms |
428632 KB |
Output is correct |
9 |
Correct |
530 ms |
126292 KB |
Output is correct |
10 |
Correct |
883 ms |
230620 KB |
Output is correct |
11 |
Correct |
1319 ms |
331344 KB |
Output is correct |
12 |
Correct |
1622 ms |
430328 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
9052 KB |
Output is correct |
2 |
Correct |
2 ms |
9052 KB |
Output is correct |
3 |
Correct |
2 ms |
9048 KB |
Output is correct |
4 |
Correct |
2 ms |
9308 KB |
Output is correct |
5 |
Correct |
2 ms |
8796 KB |
Output is correct |
6 |
Correct |
3 ms |
9072 KB |
Output is correct |
7 |
Correct |
2 ms |
9052 KB |
Output is correct |
8 |
Correct |
2 ms |
9308 KB |
Output is correct |
9 |
Correct |
2 ms |
8792 KB |
Output is correct |
10 |
Correct |
2 ms |
9052 KB |
Output is correct |
11 |
Correct |
3 ms |
9052 KB |
Output is correct |
12 |
Correct |
2 ms |
9560 KB |
Output is correct |
13 |
Correct |
5 ms |
10076 KB |
Output is correct |
14 |
Correct |
7 ms |
11356 KB |
Output is correct |
15 |
Correct |
8 ms |
12800 KB |
Output is correct |
16 |
Correct |
8 ms |
13916 KB |
Output is correct |
17 |
Correct |
5 ms |
10328 KB |
Output is correct |
18 |
Correct |
6 ms |
11356 KB |
Output is correct |
19 |
Correct |
7 ms |
12516 KB |
Output is correct |
20 |
Correct |
8 ms |
13656 KB |
Output is correct |
21 |
Correct |
4 ms |
10076 KB |
Output is correct |
22 |
Correct |
6 ms |
11352 KB |
Output is correct |
23 |
Correct |
8 ms |
12572 KB |
Output is correct |
24 |
Correct |
9 ms |
13660 KB |
Output is correct |
25 |
Correct |
518 ms |
127496 KB |
Output is correct |
26 |
Correct |
853 ms |
232276 KB |
Output is correct |
27 |
Correct |
1303 ms |
331248 KB |
Output is correct |
28 |
Correct |
1576 ms |
436148 KB |
Output is correct |
29 |
Correct |
579 ms |
126616 KB |
Output is correct |
30 |
Correct |
1045 ms |
229960 KB |
Output is correct |
31 |
Correct |
1400 ms |
329084 KB |
Output is correct |
32 |
Correct |
1893 ms |
428632 KB |
Output is correct |
33 |
Correct |
530 ms |
126292 KB |
Output is correct |
34 |
Correct |
883 ms |
230620 KB |
Output is correct |
35 |
Correct |
1319 ms |
331344 KB |
Output is correct |
36 |
Correct |
1622 ms |
430328 KB |
Output is correct |
37 |
Correct |
944 ms |
129360 KB |
Output is correct |
38 |
Correct |
1381 ms |
233640 KB |
Output is correct |
39 |
Correct |
1661 ms |
337580 KB |
Output is correct |
40 |
Correct |
1795 ms |
436784 KB |
Output is correct |
41 |
Correct |
1040 ms |
126908 KB |
Output is correct |
42 |
Correct |
1462 ms |
230124 KB |
Output is correct |
43 |
Correct |
1821 ms |
329692 KB |
Output is correct |
44 |
Correct |
2090 ms |
427936 KB |
Output is correct |
45 |
Correct |
1125 ms |
126768 KB |
Output is correct |
46 |
Correct |
1613 ms |
230676 KB |
Output is correct |
47 |
Correct |
1827 ms |
330288 KB |
Output is correct |
48 |
Correct |
1941 ms |
430240 KB |
Output is correct |