#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ull unsigned long long
#define pb push_back
#define pll pair<ll, ll>
#define pii pair<int, int>
#define fi first
#define se second
using namespace std;
const int N = 3e5+5;
const int M = (1<<17);
const ll inf = 1e15;
const ll mod = 1e15+7;
int n, t, k, m, d[N], in[N], out[N];
int ans, tong, a[N], b[N];
string s[N];
struct node
{
int x[2];
set<int> vi;
node(){}
node( int _x, int _y)
{
x[0] = _x;
x[1] = _y;
}
};
vector<node> q;
vector<int> adj[N], kq;
void add(int x, int y)
{
for(int i = 0, j = 30; j >= 0; j --)
{
int t = (x >> j & 1);
if(q[i].x[t] == 0)
{
q[i].x[t] = q.size();
q.pb(node(0, 0));
}
i = q[i].x[t];
q[i].vi.insert(y);
}
}
int get(int x, int l, int r)
{
int total = 0;
for(int i = 0, j = 30; j >= 0; j --)
{
int t = (x >> j & 1);
int nxt = q[i].x[t^1];
auto it = q[nxt].vi.lower_bound(l);
if(it != q[nxt].vi.end() && (*it) <= r)
{
i = nxt;
total += (1<<j);
}
else i = q[i].x[t];
}
return total;
}
void dfs(int u)
{
in[u] = ++k;
for(int v: adj[u])dfs(v);
out[u] = k;
}
void sol()
{
cin >> m;
n = 1;
for(int i = 1; i <= m; i ++)
{
cin >> s[i] >> a[i] >> b[i];
if(s[i] == "Add")
{
++n;
adj[a[i]].pb(n);
d[n] = d[a[i]] ^ b[i];
a[i] = n;
}
}
dfs(1);
q.pb(node(0, 0));
add(d[1], in[1]);
for(int i = 1; i <= m; i ++)
{
if(s[i] == "Add")
{
add(d[a[i]], in[a[i]]);
}
else cout << get(d[a[i]], in[b[i]], out[b[i]]) << '\n';
}
}
int main()
{
cin.tie(0);
cout.tie(0);
ios_base::sync_with_stdio(0);
#define task "test"
if(fopen(task".inp", "r"))
{
freopen(task".inp", "r", stdin);
freopen(task".out", "w", stdout);
}
int ntest = 1;
//cin >> ntest;
while(ntest -- > 0)
sol();
}
Compilation message
klasika.cpp: In function 'int main()':
klasika.cpp:104:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
104 | freopen(task".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
klasika.cpp:105:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
105 | freopen(task".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
16972 KB |
Output is correct |
2 |
Correct |
9 ms |
16916 KB |
Output is correct |
3 |
Correct |
10 ms |
17148 KB |
Output is correct |
4 |
Correct |
10 ms |
17228 KB |
Output is correct |
5 |
Correct |
10 ms |
16808 KB |
Output is correct |
6 |
Correct |
10 ms |
16972 KB |
Output is correct |
7 |
Correct |
9 ms |
17144 KB |
Output is correct |
8 |
Correct |
9 ms |
17148 KB |
Output is correct |
9 |
Correct |
9 ms |
16972 KB |
Output is correct |
10 |
Correct |
9 ms |
17156 KB |
Output is correct |
11 |
Correct |
9 ms |
17100 KB |
Output is correct |
12 |
Correct |
9 ms |
17228 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
16972 KB |
Output is correct |
2 |
Correct |
9 ms |
16916 KB |
Output is correct |
3 |
Correct |
10 ms |
17148 KB |
Output is correct |
4 |
Correct |
10 ms |
17228 KB |
Output is correct |
5 |
Correct |
10 ms |
16808 KB |
Output is correct |
6 |
Correct |
10 ms |
16972 KB |
Output is correct |
7 |
Correct |
9 ms |
17144 KB |
Output is correct |
8 |
Correct |
9 ms |
17148 KB |
Output is correct |
9 |
Correct |
9 ms |
16972 KB |
Output is correct |
10 |
Correct |
9 ms |
17156 KB |
Output is correct |
11 |
Correct |
9 ms |
17100 KB |
Output is correct |
12 |
Correct |
9 ms |
17228 KB |
Output is correct |
13 |
Correct |
11 ms |
18280 KB |
Output is correct |
14 |
Correct |
13 ms |
19812 KB |
Output is correct |
15 |
Correct |
15 ms |
20064 KB |
Output is correct |
16 |
Correct |
18 ms |
22816 KB |
Output is correct |
17 |
Correct |
11 ms |
18204 KB |
Output is correct |
18 |
Correct |
13 ms |
19772 KB |
Output is correct |
19 |
Correct |
15 ms |
20088 KB |
Output is correct |
20 |
Correct |
16 ms |
20988 KB |
Output is correct |
21 |
Correct |
12 ms |
18176 KB |
Output is correct |
22 |
Correct |
14 ms |
19724 KB |
Output is correct |
23 |
Correct |
17 ms |
20000 KB |
Output is correct |
24 |
Correct |
16 ms |
20896 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
633 ms |
127668 KB |
Output is correct |
2 |
Correct |
1158 ms |
244704 KB |
Output is correct |
3 |
Correct |
1660 ms |
298044 KB |
Output is correct |
4 |
Correct |
2238 ms |
482872 KB |
Output is correct |
5 |
Correct |
702 ms |
128492 KB |
Output is correct |
6 |
Correct |
1365 ms |
241432 KB |
Output is correct |
7 |
Correct |
1842 ms |
293968 KB |
Output is correct |
8 |
Correct |
2543 ms |
476156 KB |
Output is correct |
9 |
Correct |
695 ms |
128848 KB |
Output is correct |
10 |
Correct |
1239 ms |
242080 KB |
Output is correct |
11 |
Correct |
1697 ms |
296004 KB |
Output is correct |
12 |
Correct |
2353 ms |
477528 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
16972 KB |
Output is correct |
2 |
Correct |
9 ms |
16916 KB |
Output is correct |
3 |
Correct |
10 ms |
17148 KB |
Output is correct |
4 |
Correct |
10 ms |
17228 KB |
Output is correct |
5 |
Correct |
10 ms |
16808 KB |
Output is correct |
6 |
Correct |
10 ms |
16972 KB |
Output is correct |
7 |
Correct |
9 ms |
17144 KB |
Output is correct |
8 |
Correct |
9 ms |
17148 KB |
Output is correct |
9 |
Correct |
9 ms |
16972 KB |
Output is correct |
10 |
Correct |
9 ms |
17156 KB |
Output is correct |
11 |
Correct |
9 ms |
17100 KB |
Output is correct |
12 |
Correct |
9 ms |
17228 KB |
Output is correct |
13 |
Correct |
11 ms |
18280 KB |
Output is correct |
14 |
Correct |
13 ms |
19812 KB |
Output is correct |
15 |
Correct |
15 ms |
20064 KB |
Output is correct |
16 |
Correct |
18 ms |
22816 KB |
Output is correct |
17 |
Correct |
11 ms |
18204 KB |
Output is correct |
18 |
Correct |
13 ms |
19772 KB |
Output is correct |
19 |
Correct |
15 ms |
20088 KB |
Output is correct |
20 |
Correct |
16 ms |
20988 KB |
Output is correct |
21 |
Correct |
12 ms |
18176 KB |
Output is correct |
22 |
Correct |
14 ms |
19724 KB |
Output is correct |
23 |
Correct |
17 ms |
20000 KB |
Output is correct |
24 |
Correct |
16 ms |
20896 KB |
Output is correct |
25 |
Correct |
633 ms |
127668 KB |
Output is correct |
26 |
Correct |
1158 ms |
244704 KB |
Output is correct |
27 |
Correct |
1660 ms |
298044 KB |
Output is correct |
28 |
Correct |
2238 ms |
482872 KB |
Output is correct |
29 |
Correct |
702 ms |
128492 KB |
Output is correct |
30 |
Correct |
1365 ms |
241432 KB |
Output is correct |
31 |
Correct |
1842 ms |
293968 KB |
Output is correct |
32 |
Correct |
2543 ms |
476156 KB |
Output is correct |
33 |
Correct |
695 ms |
128848 KB |
Output is correct |
34 |
Correct |
1239 ms |
242080 KB |
Output is correct |
35 |
Correct |
1697 ms |
296004 KB |
Output is correct |
36 |
Correct |
2353 ms |
477528 KB |
Output is correct |
37 |
Correct |
1211 ms |
130704 KB |
Output is correct |
38 |
Correct |
1768 ms |
245100 KB |
Output is correct |
39 |
Correct |
2185 ms |
300420 KB |
Output is correct |
40 |
Correct |
2518 ms |
483148 KB |
Output is correct |
41 |
Correct |
1310 ms |
128960 KB |
Output is correct |
42 |
Correct |
1897 ms |
241744 KB |
Output is correct |
43 |
Correct |
2356 ms |
294100 KB |
Output is correct |
44 |
Correct |
2940 ms |
476424 KB |
Output is correct |
45 |
Correct |
1497 ms |
129308 KB |
Output is correct |
46 |
Correct |
2045 ms |
242500 KB |
Output is correct |
47 |
Correct |
2190 ms |
294932 KB |
Output is correct |
48 |
Correct |
2664 ms |
477852 KB |
Output is correct |