# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
405746 |
2021-05-16T21:12:01 Z |
rocks03 |
Rectangles (IOI19_rect) |
C++14 |
|
5000 ms |
548324 KB |
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ff first
#define ss second
#define pb push_back
#define SZ(x) ((int)(x).size())
#define all(x) x.begin(), x.end()
#define debug(x) cout << #x << ": " << x << " "
#define nl cout << "\n"
#define rep(i, a, b) for(int i = (a); i <= (b); i++)
#define per(i, a, b) for(int i = (a); i >= (b); i--)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
long long count_rectangles(vector<vector<int>> a){
int N = SZ(a), M = SZ(a[0]);
map<pair<pii, pii>, int> mp;
vector<int> rt[N][M], dw[N][M];
rep(i, 0, N - 1){
vector<int> st;
per(j, M - 1, 0){
while(!st.empty() && a[i][j] > a[i][st.back()]){
if(j + 1 < st.back()) rt[i][j].pb(st.back());
st.pop_back();
}
if(!st.empty() && j + 1 < st.back()) rt[i][j].pb(st.back());
if(!st.empty() && a[i][j] == a[i][st.back()]) st.pop_back();
st.pb(j);
}
}
rep(j, 0, M - 1){
vector<int> st;
per(i, N - 1, 0){
while(!st.empty() && a[i][j] > a[st.back()][j]){
if(i + 1 < st.back()) dw[i][j].pb(st.back());
st.pop_back();
}
if(!st.empty() && i + 1 < st.back()) dw[i][j].pb(st.back());
if(!st.empty() && a[i][j] == a[st.back()][j]) st.pop_back();
st.pb(i);
}
}
ll ans = 0;
rep(i, 0, N - 1){
rep(j, 0, M - 1){
for(int j2 : rt[i][j]){
mp[{{i, i}, {j, j2}}] = 1;
}
}
}
rep(i, 1, N - 2){
rep(j, 0, M - 1){
for(int j2 : rt[i][j]){
set<int> st;
for(int i2 : dw[i - 1][j + 1]) st.insert(i2);
rep(k, j + 2, j2 - 1){
set<int> st2;
for(int i2 : dw[i - 1][k]){
if(st.count(i2)) st2.insert(i2);
}
st = st2;
}
for(int i2 : st){
bool ok = true;
rep(k, i, i2 - 1){
if(!mp.count({{k, k}, {j, j2}})){
ok = false; break;
}
}
ans += (ok == true);
}
}
}
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
4 ms |
420 KB |
Output is correct |
3 |
Correct |
3 ms |
332 KB |
Output is correct |
4 |
Correct |
3 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
296 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
292 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
288 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
4 ms |
420 KB |
Output is correct |
3 |
Correct |
3 ms |
332 KB |
Output is correct |
4 |
Correct |
3 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
296 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
292 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
288 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
48 ms |
1444 KB |
Output is correct |
23 |
Correct |
50 ms |
1356 KB |
Output is correct |
24 |
Correct |
49 ms |
1356 KB |
Output is correct |
25 |
Correct |
3 ms |
940 KB |
Output is correct |
26 |
Correct |
7 ms |
1100 KB |
Output is correct |
27 |
Correct |
6 ms |
1200 KB |
Output is correct |
28 |
Correct |
7 ms |
1100 KB |
Output is correct |
29 |
Correct |
4 ms |
716 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
4 ms |
420 KB |
Output is correct |
3 |
Correct |
3 ms |
332 KB |
Output is correct |
4 |
Correct |
3 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
296 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
292 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
48 ms |
1444 KB |
Output is correct |
18 |
Correct |
50 ms |
1356 KB |
Output is correct |
19 |
Correct |
49 ms |
1356 KB |
Output is correct |
20 |
Correct |
3 ms |
940 KB |
Output is correct |
21 |
Correct |
7 ms |
1100 KB |
Output is correct |
22 |
Correct |
6 ms |
1200 KB |
Output is correct |
23 |
Correct |
7 ms |
1100 KB |
Output is correct |
24 |
Correct |
4 ms |
716 KB |
Output is correct |
25 |
Correct |
1 ms |
288 KB |
Output is correct |
26 |
Correct |
1 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
204 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
1016 ms |
7644 KB |
Output is correct |
31 |
Correct |
1043 ms |
7748 KB |
Output is correct |
32 |
Correct |
1028 ms |
7728 KB |
Output is correct |
33 |
Correct |
17 ms |
4300 KB |
Output is correct |
34 |
Correct |
32 ms |
6212 KB |
Output is correct |
35 |
Correct |
43 ms |
6320 KB |
Output is correct |
36 |
Correct |
36 ms |
6132 KB |
Output is correct |
37 |
Correct |
33 ms |
5988 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
4 ms |
420 KB |
Output is correct |
3 |
Correct |
3 ms |
332 KB |
Output is correct |
4 |
Correct |
3 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
296 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
292 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
48 ms |
1444 KB |
Output is correct |
18 |
Correct |
50 ms |
1356 KB |
Output is correct |
19 |
Correct |
49 ms |
1356 KB |
Output is correct |
20 |
Correct |
3 ms |
940 KB |
Output is correct |
21 |
Correct |
7 ms |
1100 KB |
Output is correct |
22 |
Correct |
6 ms |
1200 KB |
Output is correct |
23 |
Correct |
7 ms |
1100 KB |
Output is correct |
24 |
Correct |
4 ms |
716 KB |
Output is correct |
25 |
Correct |
1016 ms |
7644 KB |
Output is correct |
26 |
Correct |
1043 ms |
7748 KB |
Output is correct |
27 |
Correct |
1028 ms |
7728 KB |
Output is correct |
28 |
Correct |
17 ms |
4300 KB |
Output is correct |
29 |
Correct |
32 ms |
6212 KB |
Output is correct |
30 |
Correct |
43 ms |
6320 KB |
Output is correct |
31 |
Correct |
36 ms |
6132 KB |
Output is correct |
32 |
Correct |
33 ms |
5988 KB |
Output is correct |
33 |
Correct |
1 ms |
288 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
1 ms |
204 KB |
Output is correct |
38 |
Correct |
592 ms |
60960 KB |
Output is correct |
39 |
Correct |
597 ms |
54680 KB |
Output is correct |
40 |
Correct |
772 ms |
54708 KB |
Output is correct |
41 |
Execution timed out |
5075 ms |
48452 KB |
Time limit exceeded |
42 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
174 ms |
1484 KB |
Output is correct |
2 |
Correct |
124 ms |
1228 KB |
Output is correct |
3 |
Correct |
1 ms |
716 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
5 ms |
1356 KB |
Output is correct |
6 |
Correct |
5 ms |
1356 KB |
Output is correct |
7 |
Correct |
5 ms |
1356 KB |
Output is correct |
8 |
Correct |
4 ms |
1228 KB |
Output is correct |
9 |
Correct |
4 ms |
1228 KB |
Output is correct |
10 |
Correct |
2 ms |
588 KB |
Output is correct |
11 |
Correct |
3 ms |
972 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
288 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
949 ms |
252644 KB |
Output is correct |
8 |
Correct |
2021 ms |
545620 KB |
Output is correct |
9 |
Correct |
2286 ms |
548104 KB |
Output is correct |
10 |
Correct |
2196 ms |
548324 KB |
Output is correct |
11 |
Correct |
214 ms |
175428 KB |
Output is correct |
12 |
Correct |
427 ms |
332404 KB |
Output is correct |
13 |
Correct |
442 ms |
352968 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
4 ms |
420 KB |
Output is correct |
3 |
Correct |
3 ms |
332 KB |
Output is correct |
4 |
Correct |
3 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
296 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
292 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
48 ms |
1444 KB |
Output is correct |
18 |
Correct |
50 ms |
1356 KB |
Output is correct |
19 |
Correct |
49 ms |
1356 KB |
Output is correct |
20 |
Correct |
3 ms |
940 KB |
Output is correct |
21 |
Correct |
7 ms |
1100 KB |
Output is correct |
22 |
Correct |
6 ms |
1200 KB |
Output is correct |
23 |
Correct |
7 ms |
1100 KB |
Output is correct |
24 |
Correct |
4 ms |
716 KB |
Output is correct |
25 |
Correct |
1016 ms |
7644 KB |
Output is correct |
26 |
Correct |
1043 ms |
7748 KB |
Output is correct |
27 |
Correct |
1028 ms |
7728 KB |
Output is correct |
28 |
Correct |
17 ms |
4300 KB |
Output is correct |
29 |
Correct |
32 ms |
6212 KB |
Output is correct |
30 |
Correct |
43 ms |
6320 KB |
Output is correct |
31 |
Correct |
36 ms |
6132 KB |
Output is correct |
32 |
Correct |
33 ms |
5988 KB |
Output is correct |
33 |
Correct |
592 ms |
60960 KB |
Output is correct |
34 |
Correct |
597 ms |
54680 KB |
Output is correct |
35 |
Correct |
772 ms |
54708 KB |
Output is correct |
36 |
Execution timed out |
5075 ms |
48452 KB |
Time limit exceeded |
37 |
Halted |
0 ms |
0 KB |
- |