#include<bits/stdc++.h>
using namespace std;
const int MX = 200005;
const int uMX = 600006;
int n, k;
int a[MX], b[MX];
int ops[MX];
map<int,int>HASH;
set<int>store[uMX*4];
void enlist(int l, int r, int L, int R, int id, int v) {
if(l>=L && r<=R) {
store[v].insert(id);
return;
}
if(l>R || r<L) return;
int m = (l+r)/2;
enlist(l, m, L, R, id, v*2);
enlist(m+1, r, L, R, id, v*2+1);
}
void delist(int l, int r, int L, int R, int id, int v) {
if(l>=L && r<=R) {
store[v].erase(id);
return;
}
if(l>R || r<L) return;
int m = (l+r)/2;
delist(l, m, L, R, id, v*2);
delist(m+1, r, L, R, id, v*2+1);
}
vector<int>st(uMX*4);
void upd(int l, int r, int dest, int v) {
if(l==r) {
++st[v];
return;
}
int m = (l+r)/2;
if(dest<=m) upd(l, m, dest, v*2);
else upd(m+1, r, dest, v*2+1);
st[v] = st[v*2]+st[v*2+1];
}
int getCount(int l, int r, int L, int R, int v) {
if(l>=L && r<=R) {
return st[v];
}
if(l>R || r<L) return 0;
int m = (l+r)/2;
return getCount(l, m, L, R, v*2) + getCount(m+1, r, L, R, v*2+1);
}
set<int>get(int l, int r, int p, int v) {
set<int>ret = store[v];
if(l==r) return ret;
int m = (l+r)/2;
set<int>got;
if(p<=m) {
got = get(l, m, p, v*2);
} else {
got = get(m+1, r, p, v*2+1);
}
while(!got.empty()) {
ret.insert(*got.begin());
got.erase(got.begin());
}
return ret;
}
void PlayGround() {
cin >> n >> k;
for(int i=1; i<=n; ++i) {
cin >> a[i] >> b[i];
HASH[a[i]] = HASH[b[i]] = 0;
}
for(int i=1; i<=k; ++i) {
cin >> ops[i];
HASH[ops[i]] = i;
}
int tag = 1;
for(auto &p : HASH) {
p.second = tag++;
} //end of HASH stuffs
long long ans = 0;
set<int>done;
for(int i=1; i<=n; ++i) {
if(a[i]==b[i]) {
done.insert(i);
ans += a[i];
continue;
}
int mn = a[i], mx = b[i];
if(mn>mx) swap(mn, mx);
enlist(1, uMX-1, HASH[mn], HASH[mx]-1, i, 1);
}
for(int i=k; i>0; --i) {
set<int>cur = get(1, uMX-1, HASH[ops[i]], 1);
for(int j : cur) {
int mn = a[j], mx = b[j];
if(mn>mx) swap(mn, mx);
delist(1, uMX-1, HASH[mn], HASH[mx]-1, j, 1);
done.insert(j);
int cnt = getCount(1, uMX-1, HASH[mx], uMX-1, 1);
ans += (cnt&1)?mn:mx;
}
upd(1, uMX-1, HASH[ops[i]], 1);
}
for(int i=1; i<=n; ++i) if(!done.count(i)) {
int mn = a[i], mx = b[i];
if(mn>mx) swap(mn, mx);
int cnt = getCount(1, uMX-1, HASH[mx], uMX-1, 1);
ans += (~cnt&1)?a[i]:b[i];
}
cout << ans << endl;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
PlayGround();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
53 ms |
122548 KB |
Output is correct |
2 |
Correct |
57 ms |
122692 KB |
Output is correct |
3 |
Correct |
57 ms |
122968 KB |
Output is correct |
4 |
Correct |
64 ms |
122980 KB |
Output is correct |
5 |
Correct |
61 ms |
122948 KB |
Output is correct |
6 |
Correct |
64 ms |
123116 KB |
Output is correct |
7 |
Correct |
55 ms |
122816 KB |
Output is correct |
8 |
Correct |
59 ms |
123076 KB |
Output is correct |
9 |
Correct |
57 ms |
123100 KB |
Output is correct |
10 |
Correct |
57 ms |
122792 KB |
Output is correct |
11 |
Correct |
73 ms |
122784 KB |
Output is correct |
12 |
Correct |
56 ms |
122820 KB |
Output is correct |
13 |
Correct |
55 ms |
122688 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
53 ms |
122548 KB |
Output is correct |
2 |
Correct |
57 ms |
122692 KB |
Output is correct |
3 |
Correct |
57 ms |
122968 KB |
Output is correct |
4 |
Correct |
64 ms |
122980 KB |
Output is correct |
5 |
Correct |
61 ms |
122948 KB |
Output is correct |
6 |
Correct |
64 ms |
123116 KB |
Output is correct |
7 |
Correct |
55 ms |
122816 KB |
Output is correct |
8 |
Correct |
59 ms |
123076 KB |
Output is correct |
9 |
Correct |
57 ms |
123100 KB |
Output is correct |
10 |
Correct |
57 ms |
122792 KB |
Output is correct |
11 |
Correct |
73 ms |
122784 KB |
Output is correct |
12 |
Correct |
56 ms |
122820 KB |
Output is correct |
13 |
Correct |
55 ms |
122688 KB |
Output is correct |
14 |
Correct |
144 ms |
130456 KB |
Output is correct |
15 |
Correct |
290 ms |
139472 KB |
Output is correct |
16 |
Correct |
477 ms |
148824 KB |
Output is correct |
17 |
Correct |
664 ms |
158108 KB |
Output is correct |
18 |
Correct |
737 ms |
158404 KB |
Output is correct |
19 |
Correct |
681 ms |
159956 KB |
Output is correct |
20 |
Correct |
553 ms |
152596 KB |
Output is correct |
21 |
Correct |
603 ms |
161988 KB |
Output is correct |
22 |
Correct |
374 ms |
157452 KB |
Output is correct |
23 |
Correct |
352 ms |
154316 KB |
Output is correct |
24 |
Correct |
305 ms |
148924 KB |
Output is correct |
25 |
Correct |
349 ms |
159360 KB |
Output is correct |
26 |
Correct |
372 ms |
143940 KB |
Output is correct |
27 |
Correct |
377 ms |
142604 KB |
Output is correct |
28 |
Correct |
399 ms |
146272 KB |
Output is correct |
29 |
Correct |
241 ms |
131716 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
53 ms |
122548 KB |
Output is correct |
2 |
Correct |
57 ms |
122692 KB |
Output is correct |
3 |
Correct |
57 ms |
122968 KB |
Output is correct |
4 |
Correct |
64 ms |
122980 KB |
Output is correct |
5 |
Correct |
61 ms |
122948 KB |
Output is correct |
6 |
Correct |
64 ms |
123116 KB |
Output is correct |
7 |
Correct |
55 ms |
122816 KB |
Output is correct |
8 |
Correct |
59 ms |
123076 KB |
Output is correct |
9 |
Correct |
57 ms |
123100 KB |
Output is correct |
10 |
Correct |
57 ms |
122792 KB |
Output is correct |
11 |
Correct |
73 ms |
122784 KB |
Output is correct |
12 |
Correct |
56 ms |
122820 KB |
Output is correct |
13 |
Correct |
55 ms |
122688 KB |
Output is correct |
14 |
Correct |
144 ms |
130456 KB |
Output is correct |
15 |
Correct |
290 ms |
139472 KB |
Output is correct |
16 |
Correct |
477 ms |
148824 KB |
Output is correct |
17 |
Correct |
664 ms |
158108 KB |
Output is correct |
18 |
Correct |
737 ms |
158404 KB |
Output is correct |
19 |
Correct |
681 ms |
159956 KB |
Output is correct |
20 |
Correct |
553 ms |
152596 KB |
Output is correct |
21 |
Correct |
603 ms |
161988 KB |
Output is correct |
22 |
Correct |
374 ms |
157452 KB |
Output is correct |
23 |
Correct |
352 ms |
154316 KB |
Output is correct |
24 |
Correct |
305 ms |
148924 KB |
Output is correct |
25 |
Correct |
349 ms |
159360 KB |
Output is correct |
26 |
Correct |
372 ms |
143940 KB |
Output is correct |
27 |
Correct |
377 ms |
142604 KB |
Output is correct |
28 |
Correct |
399 ms |
146272 KB |
Output is correct |
29 |
Correct |
241 ms |
131716 KB |
Output is correct |
30 |
Correct |
599 ms |
143360 KB |
Output is correct |
31 |
Correct |
1384 ms |
179780 KB |
Output is correct |
32 |
Correct |
2561 ms |
226620 KB |
Output is correct |
33 |
Runtime error |
2009 ms |
262148 KB |
Execution killed with signal 9 |
34 |
Halted |
0 ms |
0 KB |
- |