ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#206221 | #2646. sum | one_zero_four_zero | 100 | 1678ms | 25292kb | C++11 | 2.8kb | 2024-07-21 15:17:44 | 2024-07-21 16:38:21 |
answer
#include<bits/stdc++.h>
#pragma GCC optimize(2)
#define ls(x) (x << 1)
#define rs(x) ((x << 1) + 1)
#define mid(p) (((tree[p].itel) + (tree[p].iter)) >> 1)
#define len(p) (((tree[p].iter) - (tree[p].itel)) + 1)
using namespace std;
struct node{
int itel, iter;
int sum, tag;
};
int n, q, cid = 0;
int op, x;
int fa[300005];
vector<int> a[300005];
int val[300005];
int dfn[300005], out[300005];
node tree[1000006];
void erg(int u){
dfn[u] = ++ cid;
for (auto && i : a[u]){
erg(i);
}
out[u] = cid;
// cout << u << " " << dfn[u] << " " << out[u] << "\n";
}
void pushup(int p){
tree[p].sum = tree[ls(p)].sum + tree[rs(p)].sum;
}
void pushdown(int p){
if (!tree[p].tag) return;
tree[ls(p)].sum = len(ls(p)) - tree[ls(p)].sum;
tree[rs(p)].sum = len(rs(p)) - tree[rs(p)].sum;
tree[ls(p)].tag ^= tree[p].tag;
tree[rs(p)].tag ^= tree[p].tag;
tree[p].tag = 0;
}
void build(int p, int l, int r){
tree[p] = {l, r, 0, 0};
if (l == r){
tree[p].sum = val[l];
// cout << l << " ;;; " << val[l] << "\n";
return;
}
int mid = (l + r) >> 1;
build(ls(p), l, mid);
build(rs(p), mid + 1, r);
pushup(p);
}
void update(int p, int l, int r){
// cout << p << " " << l << " " << r << "[]\n";
if (l <= tree[p].itel && r >= tree[p].iter){
// cout << p << " " << l << " " << r << "[]\n";
int len = tree[p].iter - tree[p].itel + 1;
tree[p].sum = len - tree[p].sum;
tree[p].tag ^= 1;
return;
}
pushdown(p);
if (l <= mid(p)) update(ls(p), l, r);
if (r >= mid(p) + 1) update(rs(p), l, r);
pushup(p);
}
int query(int p, int l, int r){
// cout << p << " " << l << " " << r << "[]\n";
int res = 0;
if (l <= tree[p].itel && r >= tree[p].iter){
return tree[p].sum;
}
pushdown(p);
if (l <= mid(p)) res += query(ls(p), l, r);
if (r >= mid(p) + 1) res += query(rs(p), l, r);
return res;
}
int main(){
#ifndef ONLINE_JUDGE
freopen("../data.in","r",stdin);
freopen("../data.out","w",stdout);
#endif
ios::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
scanf("%d", &n);
for (int i = 2; i <= n; i ++){
scanf("%d", &fa[i]);
a[fa[i]].push_back(i);
}
erg(1);
for (int i = 1; i <= n; i ++){
scanf("%d", &val[dfn[i]]);
}
scanf("%d", &q);
build(1, 1, n);
while (q --){
scanf("%d %d", &op, &x);
if (op == 1){
printf("%d\n", query(1, dfn[x], out[x]));
}else{
update(1, dfn[x], out[x]);
}
// for (int i = 1; i <= n; i ++){
// cout << query(1, dfn[i], out[i]) << " ";
// }
// cout << "\n";
}
return 0;
}
详细
小提示:点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 162ms
memory: 25088kb
input:
187361 1 1 2 1 3 4 1 3 7 9 2 5 13 8 11 6 13 4 2 12 17 15 21 13 5 9 20 12 4 20 20 22 33 14 33 32 24 9...
output:
3 2 3 0 8 1 0 0 0 0 3 0 0 15 2 1 0 0 5 0 0 0 2 7 0 1 1 1 1 6 3 0 1 1 2 1 6 0 1 10 16 1 1 0 4 1 14 0 ...
result:
ok 92174 lines
Test #2:
score: 10
Accepted
time: 160ms
memory: 24952kb
input:
180975 1 2 3 1 4 1 1 7 6 2 9 9 3 3 11 8 2 6 10 3 4 15 13 24 3 11 9 28 1 28 21 28 33 29 17 15 22 8 39...
output:
0 0 1 0 0 0 0 1 5 3 0 2 1 1 1 1 0 2 1 1 1 6 31 3 1 1 3 1 0 0 0 1 1 1 1 0 0 1 27 0 1 1 1 1 0 3 68 0 1...
result:
ok 96855 lines
Test #3:
score: 10
Accepted
time: 182ms
memory: 25292kb
input:
197782 1 2 3 1 3 2 2 5 5 7 7 4 11 7 3 9 9 16 13 5 18 15 9 21 2 9 7 8 14 17 22 15 16 32 31 33 21 37 3...
output:
1 2 12 0 2 1 1 0 2 1 7 3 2 1 3 0 0 2 0 10 0 4 1 0 1 0 1 3 1 5 1 2 2 0 4 0 0 0 1 1 0 1 0 3 2 1 0 15 1...
result:
ok 94716 lines
Test #4:
score: 10
Accepted
time: 167ms
memory: 25236kb
input:
194589 1 1 1 2 2 3 2 3 5 5 5 6 6 12 3 10 16 8 18 14 12 15 10 11 1 10 15 3 27 6 22 2 32 1 23 15 20 7 ...
output:
1 1 2 2 1 0 3 4 2 4 2 5 0 1 0 0 1 1 0 0 0 2 0 1 0 2 1 1 3 1 1 1 34 0 1 2 1 1 2 2 0 5 1 0 1 0 3 2 1 0...
result:
ok 92131 lines
Test #5:
score: 10
Accepted
time: 176ms
memory: 25108kb
input:
188203 1 2 2 2 5 6 3 6 4 8 2 10 9 7 10 12 5 10 7 18 19 15 2 22 2 9 21 19 24 21 24 8 32 16 29 34 18 6...
output:
0 3 3 1 2 2 1 0 1 2 13 1 4 1 1 1 2 2 0 0 0 1 1 0 0 1 0 1 3 1 1 0 0 0 0 1 11 1 2 2 0 3 3 0 1 0 27 1 1...
result:
ok 97304 lines
Test #6:
score: 10
Accepted
time: 168ms
memory: 25044kb
input:
185010 1 2 2 2 4 1 3 4 4 3 11 12 4 11 10 13 4 1 12 7 13 15 21 19 1 10 2 14 8 10 25 27 15 19 21 16 17...
output:
1 2 0 2 2 1 0 1 3 2 0 12 1 0 0 3 3 0 0 4 0 0 0 0 1 1 0 1 2 0 0 4 1 2 1 1 0 4 1 4 13 1 0 1 1 1 1 1 2 ...
result:
ok 93162 lines
Test #7:
score: 10
Accepted
time: 153ms
memory: 24972kb
input:
181817 1 1 3 3 3 3 3 2 3 1 9 2 12 2 10 14 11 11 15 9 6 15 17 9 25 11 27 22 28 29 25 14 31 31 35 34 1...
output:
22 1 3 1 1 1 5 1 3 0 3 1 0 1 1 1 0 6 3 0 1 1 0 1 0 2 2 4 2 1 0 0 0 1 0 3 1 0 0 1 0 1 1 2 1 0 0 12 2 ...
result:
ok 90816 lines
Test #8:
score: 10
Accepted
time: 174ms
memory: 25252kb
input:
195431 1 1 1 3 1 5 4 6 3 4 5 6 2 11 2 16 17 13 6 20 14 15 14 20 23 10 6 25 25 14 27 20 31 3 19 17 14...
output:
1 1 1 0 0 0 1 5 2 2 3 1 0 0 11 0 1 0 1 0 0 1 8 2 1 0 1 2 1 3 0 0 2 1 0 1 0 1 0 1 21 3 2 4 6 2 1 0 1 ...
result:
ok 96235 lines
Test #9:
score: 10
Accepted
time: 173ms
memory: 25184kb
input:
192238 1 2 1 3 5 1 4 4 2 9 3 8 10 1 2 1 7 5 9 2 8 16 10 17 22 11 14 5 9 3 28 7 14 15 33 35 13 16 1 3...
output:
4 1 3 1 1 1 1 0 1 53 11 3 0 1 0 1 0 3 0 0 0 0 0 3 0 3 0 3 1 1 1 1 1 1 1 1 3 0 0 0 0 0 0 1 1 1 73 1 1...
result:
ok 93875 lines
Test #10:
score: 10
Accepted
time: 163ms
memory: 25120kb
input:
189045 1 2 1 3 4 2 4 2 2 7 2 10 5 6 9 2 6 15 14 4 1 16 6 7 21 9 12 13 22 22 28 26 30 18 25 17 12 24 ...
output:
0 0 3 4 5 0 1 2 0 1 0 1 0 0 1 2 7 0 1 0 0 1 1 5 0 7 41 1 1 11 2 1 1 4 1 0 0 2 0 1 0 1 2 0 0 1 0 0 1 ...
result:
ok 91766 lines