| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 210727 |
2020-03-18T07:11:49 Z |
grt |
Mountains (NOI20_mountains) |
C++17 |
|
613 ms |
26748 KB |
#include <bits/stdc++.h>
#define PB push_back
#define ST first
#define ND second
#define _ ios_base::sync_with_stdio(0); cin.tie(0);
//mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
using namespace std;
using ll = long long;
using pi = pair<int,int>;
using vi = vector<int>;
const int nax = 300*1000+10;
int n,nr;
ll h[nax];
map<ll,int>sc;
int T[(1<<20)],R;
int l[nax];
void update(int a,int x) {
a+=R;
T[a]+=x;
while(a>1) {
a/=2;
T[a] = T[2*a]+T[2*a+1];
}
}
int query(int a,int b) {
a+=R; b+=R;
if(a>b) return 0;
int w = T[a]+(a!=b?T[b]:0);
while(a/2!=b/2) {
if(a%2==0) w+=T[a+1];
if(b%2==1) w+=T[b-1];
a/=2;
b/=2;
}
return w;
}
ll ans;
int main() {_
cin>>n;
for(int i=1; i<=n; i++) {
cin>>h[i];
sc[h[i]];
}
for(auto &it:sc) it.ND = nr++;
R=1;
while(R<nr) R*=2;
for(int i=1; i<=n; i++) h[i] = sc[h[i]];
for(int i=1; i<=n; i++) {
l[i] = query(0,h[i]-1);
update(h[i],1);
}
for(int i=1; i<2*R; i++) T[i] = 0;
for(int i=n; i>=1; i--) {
int x = query(0,h[i]-1);
update(h[i],1);
ans += (ll)l[i]*x;
}
cout<<ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
380 KB |
Output is correct |
| 2 |
Correct |
269 ms |
26720 KB |
Output is correct |
| 3 |
Correct |
272 ms |
26744 KB |
Output is correct |
| 4 |
Correct |
260 ms |
26744 KB |
Output is correct |
| 5 |
Correct |
262 ms |
26744 KB |
Output is correct |
| 6 |
Correct |
267 ms |
26744 KB |
Output is correct |
| 7 |
Correct |
271 ms |
26740 KB |
Output is correct |
| 8 |
Correct |
263 ms |
26744 KB |
Output is correct |
| 9 |
Correct |
227 ms |
15612 KB |
Output is correct |
| 10 |
Correct |
230 ms |
15608 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
34 ms |
3832 KB |
Output is correct |
| 2 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 3 |
Correct |
32 ms |
3832 KB |
Output is correct |
| 4 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 5 |
Correct |
35 ms |
3832 KB |
Output is correct |
| 6 |
Correct |
35 ms |
3832 KB |
Output is correct |
| 7 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 8 |
Correct |
26 ms |
3832 KB |
Output is correct |
| 9 |
Correct |
27 ms |
3832 KB |
Output is correct |
| 10 |
Correct |
5 ms |
380 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
34 ms |
3832 KB |
Output is correct |
| 2 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 3 |
Correct |
32 ms |
3832 KB |
Output is correct |
| 4 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 5 |
Correct |
35 ms |
3832 KB |
Output is correct |
| 6 |
Correct |
35 ms |
3832 KB |
Output is correct |
| 7 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 8 |
Correct |
26 ms |
3832 KB |
Output is correct |
| 9 |
Correct |
27 ms |
3832 KB |
Output is correct |
| 10 |
Correct |
5 ms |
380 KB |
Output is correct |
| 11 |
Correct |
79 ms |
3832 KB |
Output is correct |
| 12 |
Correct |
82 ms |
3884 KB |
Output is correct |
| 13 |
Correct |
83 ms |
3832 KB |
Output is correct |
| 14 |
Correct |
83 ms |
3864 KB |
Output is correct |
| 15 |
Correct |
81 ms |
3904 KB |
Output is correct |
| 16 |
Correct |
87 ms |
3876 KB |
Output is correct |
| 17 |
Correct |
84 ms |
3832 KB |
Output is correct |
| 18 |
Correct |
45 ms |
3832 KB |
Output is correct |
| 19 |
Correct |
47 ms |
3836 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
15 ms |
1272 KB |
Output is correct |
| 12 |
Correct |
15 ms |
1272 KB |
Output is correct |
| 13 |
Correct |
13 ms |
1272 KB |
Output is correct |
| 14 |
Correct |
13 ms |
1272 KB |
Output is correct |
| 15 |
Correct |
13 ms |
1272 KB |
Output is correct |
| 16 |
Correct |
13 ms |
1272 KB |
Output is correct |
| 17 |
Correct |
13 ms |
1272 KB |
Output is correct |
| 18 |
Correct |
12 ms |
764 KB |
Output is correct |
| 19 |
Correct |
9 ms |
504 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
34 ms |
3832 KB |
Output is correct |
| 2 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 3 |
Correct |
32 ms |
3832 KB |
Output is correct |
| 4 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 5 |
Correct |
35 ms |
3832 KB |
Output is correct |
| 6 |
Correct |
35 ms |
3832 KB |
Output is correct |
| 7 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 8 |
Correct |
26 ms |
3832 KB |
Output is correct |
| 9 |
Correct |
27 ms |
3832 KB |
Output is correct |
| 10 |
Correct |
5 ms |
380 KB |
Output is correct |
| 11 |
Correct |
79 ms |
3832 KB |
Output is correct |
| 12 |
Correct |
82 ms |
3884 KB |
Output is correct |
| 13 |
Correct |
83 ms |
3832 KB |
Output is correct |
| 14 |
Correct |
83 ms |
3864 KB |
Output is correct |
| 15 |
Correct |
81 ms |
3904 KB |
Output is correct |
| 16 |
Correct |
87 ms |
3876 KB |
Output is correct |
| 17 |
Correct |
84 ms |
3832 KB |
Output is correct |
| 18 |
Correct |
45 ms |
3832 KB |
Output is correct |
| 19 |
Correct |
47 ms |
3836 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
337 ms |
10872 KB |
Output is correct |
| 22 |
Correct |
339 ms |
10872 KB |
Output is correct |
| 23 |
Correct |
335 ms |
10872 KB |
Output is correct |
| 24 |
Correct |
357 ms |
10872 KB |
Output is correct |
| 25 |
Correct |
326 ms |
10872 KB |
Output is correct |
| 26 |
Correct |
334 ms |
10872 KB |
Output is correct |
| 27 |
Correct |
338 ms |
10872 KB |
Output is correct |
| 28 |
Correct |
171 ms |
10872 KB |
Output is correct |
| 29 |
Correct |
172 ms |
10872 KB |
Output is correct |
| 30 |
Correct |
4 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
380 KB |
Output is correct |
| 2 |
Correct |
269 ms |
26720 KB |
Output is correct |
| 3 |
Correct |
272 ms |
26744 KB |
Output is correct |
| 4 |
Correct |
260 ms |
26744 KB |
Output is correct |
| 5 |
Correct |
262 ms |
26744 KB |
Output is correct |
| 6 |
Correct |
267 ms |
26744 KB |
Output is correct |
| 7 |
Correct |
271 ms |
26740 KB |
Output is correct |
| 8 |
Correct |
263 ms |
26744 KB |
Output is correct |
| 9 |
Correct |
227 ms |
15612 KB |
Output is correct |
| 10 |
Correct |
230 ms |
15608 KB |
Output is correct |
| 11 |
Correct |
34 ms |
3832 KB |
Output is correct |
| 12 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 13 |
Correct |
32 ms |
3832 KB |
Output is correct |
| 14 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 15 |
Correct |
35 ms |
3832 KB |
Output is correct |
| 16 |
Correct |
35 ms |
3832 KB |
Output is correct |
| 17 |
Correct |
33 ms |
3832 KB |
Output is correct |
| 18 |
Correct |
26 ms |
3832 KB |
Output is correct |
| 19 |
Correct |
27 ms |
3832 KB |
Output is correct |
| 20 |
Correct |
5 ms |
380 KB |
Output is correct |
| 21 |
Correct |
79 ms |
3832 KB |
Output is correct |
| 22 |
Correct |
82 ms |
3884 KB |
Output is correct |
| 23 |
Correct |
83 ms |
3832 KB |
Output is correct |
| 24 |
Correct |
83 ms |
3864 KB |
Output is correct |
| 25 |
Correct |
81 ms |
3904 KB |
Output is correct |
| 26 |
Correct |
87 ms |
3876 KB |
Output is correct |
| 27 |
Correct |
84 ms |
3832 KB |
Output is correct |
| 28 |
Correct |
45 ms |
3832 KB |
Output is correct |
| 29 |
Correct |
47 ms |
3836 KB |
Output is correct |
| 30 |
Correct |
5 ms |
376 KB |
Output is correct |
| 31 |
Correct |
5 ms |
376 KB |
Output is correct |
| 32 |
Correct |
5 ms |
376 KB |
Output is correct |
| 33 |
Correct |
5 ms |
376 KB |
Output is correct |
| 34 |
Correct |
5 ms |
376 KB |
Output is correct |
| 35 |
Correct |
5 ms |
376 KB |
Output is correct |
| 36 |
Correct |
5 ms |
376 KB |
Output is correct |
| 37 |
Correct |
5 ms |
376 KB |
Output is correct |
| 38 |
Correct |
5 ms |
376 KB |
Output is correct |
| 39 |
Correct |
5 ms |
376 KB |
Output is correct |
| 40 |
Correct |
5 ms |
376 KB |
Output is correct |
| 41 |
Correct |
15 ms |
1272 KB |
Output is correct |
| 42 |
Correct |
15 ms |
1272 KB |
Output is correct |
| 43 |
Correct |
13 ms |
1272 KB |
Output is correct |
| 44 |
Correct |
13 ms |
1272 KB |
Output is correct |
| 45 |
Correct |
13 ms |
1272 KB |
Output is correct |
| 46 |
Correct |
13 ms |
1272 KB |
Output is correct |
| 47 |
Correct |
13 ms |
1272 KB |
Output is correct |
| 48 |
Correct |
12 ms |
764 KB |
Output is correct |
| 49 |
Correct |
9 ms |
504 KB |
Output is correct |
| 50 |
Correct |
5 ms |
376 KB |
Output is correct |
| 51 |
Correct |
337 ms |
10872 KB |
Output is correct |
| 52 |
Correct |
339 ms |
10872 KB |
Output is correct |
| 53 |
Correct |
335 ms |
10872 KB |
Output is correct |
| 54 |
Correct |
357 ms |
10872 KB |
Output is correct |
| 55 |
Correct |
326 ms |
10872 KB |
Output is correct |
| 56 |
Correct |
334 ms |
10872 KB |
Output is correct |
| 57 |
Correct |
338 ms |
10872 KB |
Output is correct |
| 58 |
Correct |
171 ms |
10872 KB |
Output is correct |
| 59 |
Correct |
172 ms |
10872 KB |
Output is correct |
| 60 |
Correct |
4 ms |
376 KB |
Output is correct |
| 61 |
Correct |
598 ms |
26744 KB |
Output is correct |
| 62 |
Correct |
598 ms |
26744 KB |
Output is correct |
| 63 |
Correct |
597 ms |
26744 KB |
Output is correct |
| 64 |
Correct |
599 ms |
26744 KB |
Output is correct |
| 65 |
Correct |
613 ms |
26744 KB |
Output is correct |
| 66 |
Correct |
601 ms |
26744 KB |
Output is correct |
| 67 |
Correct |
603 ms |
26748 KB |
Output is correct |
| 68 |
Correct |
450 ms |
15612 KB |
Output is correct |
| 69 |
Correct |
389 ms |
13048 KB |
Output is correct |
| 70 |
Correct |
5 ms |
376 KB |
Output is correct |
