#include<bits/stdc++.h>
using namespace std;
const int N = 3 * 2 * 1000 * 100 + 10, LG = 20;
int n, k, a[N], b[N], t[N], kol[N];
unordered_map<int, int> fen[N];
void UPD(int id, int x) {
kol[id]++;
for (++x; x < N; x += x & -x)
fen[id][x]++;
}
void upd(int x, int y) {
for (++x; x < N; x += x & -x)
UPD(x, y);
}
int GET(int id, int x) {
int res = 0;
for (; x; x -= x & -x)
res += fen[id][x];
return res;
}
int get(int x, int y) {
int res = 0;
for (; x; x -= x & -x)
res += kol[x] - GET(x, y);
return res;
}
inline int inp() {
int res = 0;
char c = '0';
while (c >= '0' && c <= '9') {
((res *= 10) += c - '0');
c = getchar();
}
return res;
}
int main() {
ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
n = inp(), k = inp();
vector<int> all;
for (int i = 0; i < n; i++) {
a[i] = inp(), b[i] = inp();
for (auto x: {a[i], b[i]})
all.push_back(x);
}
for (int i = 0; i < k; i++)
t[i] = inp(), all.push_back(t[i]);
sort(all.begin(), all.end());
all.resize(unique(all.begin(), all.end()) - all.begin());
for (int i = 0; i < n; i++)
for (auto x: {&a[i], &b[i]})
*x = lower_bound(all.begin(), all.end(), *x) - all.begin();
for (int i = 0; i < k; i++)
t[i] = lower_bound(all.begin(), all.end(), t[i]) - all.begin();
reverse(t, t + k);
for (int i = 0; i < k; i++)
upd(i, t[i]);
long long ans = 0;
for (int i = 0; i < n; i++) {
int fl = 0;
if (a[i] > b[i])
fl++, swap(a[i], b[i]);
int ind = 0;
for (int j = LG - 1; j >= 0; j--) {
if (ind + (1 << j) > k)
continue;
int id = ind + (1 << j);
int x = GET(id, b[i]) - GET(id, a[i]);
if (x == 0)
ind += 1 << j;
}
int res = get(ind, b[i]);
if (ind == k) {
fl += res;
ans += (fl & 1? all[b[i]]: all[a[i]]);
}
else {
fl = 0;
fl += res;
swap(a[i], b[i]);
ans += (fl & 1? all[b[i]]: all[a[i]]);
}
}
printf("%lld\n", ans);
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
34 ms |
35052 KB |
Output is correct |
2 |
Correct |
38 ms |
35692 KB |
Output is correct |
3 |
Correct |
40 ms |
36332 KB |
Output is correct |
4 |
Correct |
41 ms |
36460 KB |
Output is correct |
5 |
Correct |
40 ms |
36460 KB |
Output is correct |
6 |
Correct |
45 ms |
36332 KB |
Output is correct |
7 |
Correct |
41 ms |
36716 KB |
Output is correct |
8 |
Correct |
39 ms |
36076 KB |
Output is correct |
9 |
Correct |
38 ms |
35840 KB |
Output is correct |
10 |
Correct |
35 ms |
35436 KB |
Output is correct |
11 |
Correct |
37 ms |
35584 KB |
Output is correct |
12 |
Correct |
37 ms |
35564 KB |
Output is correct |
13 |
Correct |
39 ms |
35820 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
34 ms |
35052 KB |
Output is correct |
2 |
Correct |
38 ms |
35692 KB |
Output is correct |
3 |
Correct |
40 ms |
36332 KB |
Output is correct |
4 |
Correct |
41 ms |
36460 KB |
Output is correct |
5 |
Correct |
40 ms |
36460 KB |
Output is correct |
6 |
Correct |
45 ms |
36332 KB |
Output is correct |
7 |
Correct |
41 ms |
36716 KB |
Output is correct |
8 |
Correct |
39 ms |
36076 KB |
Output is correct |
9 |
Correct |
38 ms |
35840 KB |
Output is correct |
10 |
Correct |
35 ms |
35436 KB |
Output is correct |
11 |
Correct |
37 ms |
35584 KB |
Output is correct |
12 |
Correct |
37 ms |
35564 KB |
Output is correct |
13 |
Correct |
39 ms |
35820 KB |
Output is correct |
14 |
Correct |
369 ms |
70128 KB |
Output is correct |
15 |
Correct |
947 ms |
110044 KB |
Output is correct |
16 |
Correct |
1552 ms |
152460 KB |
Output is correct |
17 |
Correct |
2202 ms |
193756 KB |
Output is correct |
18 |
Correct |
2258 ms |
194332 KB |
Output is correct |
19 |
Correct |
2152 ms |
186432 KB |
Output is correct |
20 |
Correct |
2324 ms |
202724 KB |
Output is correct |
21 |
Correct |
1941 ms |
175620 KB |
Output is correct |
22 |
Correct |
1192 ms |
170456 KB |
Output is correct |
23 |
Correct |
1035 ms |
150268 KB |
Output is correct |
24 |
Correct |
1004 ms |
142960 KB |
Output is correct |
25 |
Correct |
1173 ms |
171324 KB |
Output is correct |
26 |
Correct |
1369 ms |
140384 KB |
Output is correct |
27 |
Correct |
1788 ms |
150692 KB |
Output is correct |
28 |
Correct |
1355 ms |
145636 KB |
Output is correct |
29 |
Correct |
1442 ms |
162628 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
34 ms |
35052 KB |
Output is correct |
2 |
Correct |
38 ms |
35692 KB |
Output is correct |
3 |
Correct |
40 ms |
36332 KB |
Output is correct |
4 |
Correct |
41 ms |
36460 KB |
Output is correct |
5 |
Correct |
40 ms |
36460 KB |
Output is correct |
6 |
Correct |
45 ms |
36332 KB |
Output is correct |
7 |
Correct |
41 ms |
36716 KB |
Output is correct |
8 |
Correct |
39 ms |
36076 KB |
Output is correct |
9 |
Correct |
38 ms |
35840 KB |
Output is correct |
10 |
Correct |
35 ms |
35436 KB |
Output is correct |
11 |
Correct |
37 ms |
35584 KB |
Output is correct |
12 |
Correct |
37 ms |
35564 KB |
Output is correct |
13 |
Correct |
39 ms |
35820 KB |
Output is correct |
14 |
Correct |
369 ms |
70128 KB |
Output is correct |
15 |
Correct |
947 ms |
110044 KB |
Output is correct |
16 |
Correct |
1552 ms |
152460 KB |
Output is correct |
17 |
Correct |
2202 ms |
193756 KB |
Output is correct |
18 |
Correct |
2258 ms |
194332 KB |
Output is correct |
19 |
Correct |
2152 ms |
186432 KB |
Output is correct |
20 |
Correct |
2324 ms |
202724 KB |
Output is correct |
21 |
Correct |
1941 ms |
175620 KB |
Output is correct |
22 |
Correct |
1192 ms |
170456 KB |
Output is correct |
23 |
Correct |
1035 ms |
150268 KB |
Output is correct |
24 |
Correct |
1004 ms |
142960 KB |
Output is correct |
25 |
Correct |
1173 ms |
171324 KB |
Output is correct |
26 |
Correct |
1369 ms |
140384 KB |
Output is correct |
27 |
Correct |
1788 ms |
150692 KB |
Output is correct |
28 |
Correct |
1355 ms |
145636 KB |
Output is correct |
29 |
Correct |
1442 ms |
162628 KB |
Output is correct |
30 |
Runtime error |
1451 ms |
262148 KB |
Execution killed with signal 9 |
31 |
Halted |
0 ms |
0 KB |
- |