oj.uz

Submission #145437

# Submission time Handle Problem Language Result Execution time Memory
145437 2019-08-19T21:01:55 Z MvC Rectangles (IOI19_rect) C++14
49 / 100
 2271 ms 76940 KB 
#include "rect.h"
#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
#include<bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<62);
const int inf=(1<<30);
const int nmax=7e2+5;
const int mod=1e9+7;
using namespace std;
int n,m,a[nmax][nmax],i,j,t,x,y,rs;
vector<pair<int,int> >pr[nmax];
vector<int>vc[nmax][nmax],st;
bitset<nmax>bs,b[nmax][nmax];
ll count_rectangles(vector<vector<int> > A)
{
	n=A.size(),m=A[0].size();
	for(i=1;i<=n;i++)for(j=1;j<=m;j++)a[i][j]=A[i-1][j-1];
	for(i=1;i<=n;i++)
	{
		st.clear();
		for(j=1;j<=m;j++)
		{
			while(!st.empty() && a[i][st.back()]<a[i][j])
			{
				
				if(st.back()+1<j)
				{
					pr[i].pb(mkp(st.back(),j));
					vc[st.back()][j].pb(i);
				}
				st.pop_back();
			}
			if(!st.empty() && st.back()+1<j)
			{
				pr[i].pb(mkp(st.back(),j));
				vc[st.back()][j].pb(i);
			}
			while(!st.empty() && a[i][st.back()]==a[i][j])st.pop_back();
			st.pb(j);
		}
	}
	for(i=1;i<=m;i++)
	{
		st.clear();
		for(j=n;j>=1;j--)
		{
			while(!st.empty() && a[st.back()][i]<a[j][i])
			{
				if(st.back()>j+1)b[j][i][st.back()]=1;
				st.pop_back();
			}
			if(!st.empty() && st.back()>j+1)b[j][i][st.back()]=1;
			while(!st.empty() && a[st.back()][i]==a[j][i])st.pop_back();
			st.pb(j);
		}
	}
	for(i=1;i<=n;i++)
	{
		for(j=0;j<pr[i].size();j++)
		{
			x=pr[i][j].fr,y=pr[i][j].sc;
			bs.set();
			for(t=x+1;t<=y-1;t++)
			{
				bs&=b[i-1][t];
			}
			for(t=0;t<vc[x][y].size();t++)if(vc[x][y][t]==i)break;
			for(;t<vc[x][y].size();t++)
			{
				if(vc[x][y][t]!=i && vc[x][y][t]!=vc[x][y][t-1]+1)break;
				rs+=bs[vc[x][y][t]+1];
			}
		}
	}
	return rs;
}

Compilation message

rect.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("O3")
 
rect.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("unroll-loops")
 
rect.cpp: In function 'll count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:71:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(j=0;j<pr[i].size();j++)
           ~^~~~~~~~~~~~~
rect.cpp:79:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(t=0;t<vc[x][y].size();t++)if(vc[x][y][t]==i)break;
            ~^~~~~~~~~~~~~~~~
rect.cpp:80:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(;t<vc[x][y].size();t++)
         ~^~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 12024 KB Output is correct
2 Correct 15 ms 12280 KB Output is correct
3 Correct 13 ms 12280 KB Output is correct
4 Correct 16 ms 12280 KB Output is correct
5 Correct 16 ms 12152 KB Output is correct
6 Correct 15 ms 12280 KB Output is correct
7 Correct 15 ms 12280 KB Output is correct
8 Correct 13 ms 12152 KB Output is correct
9 Correct 15 ms 12280 KB Output is correct
10 Correct 13 ms 12280 KB Output is correct
11 Correct 13 ms 12280 KB Output is correct
12 Correct 13 ms 12280 KB Output is correct
13 Correct 12 ms 12024 KB Output is correct
14 Correct 13 ms 12056 KB Output is correct
15 Correct 12 ms 12024 KB Output is correct
16 Correct 12 ms 12024 KB Output is correct
17 Correct 13 ms 12024 KB Output is correct
18 Correct 12 ms 12024 KB Output is correct
19 Correct 16 ms 12280 KB Output is correct
20 Correct 15 ms 12152 KB Output is correct
21 Correct 14 ms 12024 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 12024 KB Output is correct
2 Correct 15 ms 12280 KB Output is correct
3 Correct 13 ms 12280 KB Output is correct
4 Correct 16 ms 12280 KB Output is correct
5 Correct 16 ms 12152 KB Output is correct
6 Correct 15 ms 12280 KB Output is correct
7 Correct 15 ms 12280 KB Output is correct
8 Correct 13 ms 12152 KB Output is correct
9 Correct 15 ms 12280 KB Output is correct
10 Correct 13 ms 12280 KB Output is correct
11 Correct 13 ms 12280 KB Output is correct
12 Correct 13 ms 12280 KB Output is correct
13 Correct 12 ms 12024 KB Output is correct
14 Correct 13 ms 12056 KB Output is correct
15 Correct 12 ms 12024 KB Output is correct
16 Correct 12 ms 12024 KB Output is correct
17 Correct 17 ms 13304 KB Output is correct
18 Correct 21 ms 13304 KB Output is correct
19 Correct 20 ms 13304 KB Output is correct
20 Correct 17 ms 13176 KB Output is correct
21 Correct 18 ms 13304 KB Output is correct
22 Correct 16 ms 13304 KB Output is correct
23 Correct 16 ms 13304 KB Output is correct
24 Correct 17 ms 12920 KB Output is correct
25 Correct 13 ms 12024 KB Output is correct
26 Correct 12 ms 12024 KB Output is correct
27 Correct 16 ms 12280 KB Output is correct
28 Correct 15 ms 12152 KB Output is correct
29 Correct 14 ms 12024 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 12024 KB Output is correct
2 Correct 15 ms 12280 KB Output is correct
3 Correct 13 ms 12280 KB Output is correct
4 Correct 16 ms 12280 KB Output is correct
5 Correct 16 ms 12152 KB Output is correct
6 Correct 15 ms 12280 KB Output is correct
7 Correct 15 ms 12280 KB Output is correct
8 Correct 13 ms 12152 KB Output is correct
9 Correct 15 ms 12280 KB Output is correct
10 Correct 13 ms 12280 KB Output is correct
11 Correct 13 ms 12280 KB Output is correct
12 Correct 13 ms 12280 KB Output is correct
13 Correct 12 ms 12024 KB Output is correct
14 Correct 13 ms 12056 KB Output is correct
15 Correct 12 ms 12024 KB Output is correct
16 Correct 12 ms 12024 KB Output is correct
17 Correct 17 ms 13304 KB Output is correct
18 Correct 21 ms 13304 KB Output is correct
19 Correct 20 ms 13304 KB Output is correct
20 Correct 17 ms 13176 KB Output is correct
21 Correct 18 ms 13304 KB Output is correct
22 Correct 16 ms 13304 KB Output is correct
23 Correct 16 ms 13304 KB Output is correct
24 Correct 17 ms 12920 KB Output is correct
25 Correct 71 ms 18340 KB Output is correct
26 Correct 69 ms 18296 KB Output is correct
27 Correct 76 ms 18296 KB Output is correct
28 Correct 24 ms 17772 KB Output is correct
29 Correct 31 ms 18296 KB Output is correct
30 Correct 29 ms 18424 KB Output is correct
31 Correct 28 ms 18248 KB Output is correct
32 Correct 28 ms 18212 KB Output is correct
33 Correct 13 ms 12024 KB Output is correct
34 Correct 12 ms 12024 KB Output is correct
35 Correct 16 ms 12280 KB Output is correct
36 Correct 15 ms 12152 KB Output is correct
37 Correct 14 ms 12024 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 12024 KB Output is correct
2 Correct 15 ms 12280 KB Output is correct
3 Correct 13 ms 12280 KB Output is correct
4 Correct 16 ms 12280 KB Output is correct
5 Correct 16 ms 12152 KB Output is correct
6 Correct 15 ms 12280 KB Output is correct
7 Correct 15 ms 12280 KB Output is correct
8 Correct 13 ms 12152 KB Output is correct
9 Correct 15 ms 12280 KB Output is correct
10 Correct 13 ms 12280 KB Output is correct
11 Correct 13 ms 12280 KB Output is correct
12 Correct 13 ms 12280 KB Output is correct
13 Correct 12 ms 12024 KB Output is correct
14 Correct 13 ms 12056 KB Output is correct
15 Correct 12 ms 12024 KB Output is correct
16 Correct 12 ms 12024 KB Output is correct
17 Correct 17 ms 13304 KB Output is correct
18 Correct 21 ms 13304 KB Output is correct
19 Correct 20 ms 13304 KB Output is correct
20 Correct 17 ms 13176 KB Output is correct
21 Correct 18 ms 13304 KB Output is correct
22 Correct 16 ms 13304 KB Output is correct
23 Correct 16 ms 13304 KB Output is correct
24 Correct 17 ms 12920 KB Output is correct
25 Correct 71 ms 18340 KB Output is correct
26 Correct 69 ms 18296 KB Output is correct
27 Correct 76 ms 18296 KB Output is correct
28 Correct 24 ms 17772 KB Output is correct
29 Correct 31 ms 18296 KB Output is correct
30 Correct 29 ms 18424 KB Output is correct
31 Correct 28 ms 18248 KB Output is correct
32 Correct 28 ms 18212 KB Output is correct
33 Correct 550 ms 57280 KB Output is correct
34 Correct 527 ms 57308 KB Output is correct
35 Correct 554 ms 34552 KB Output is correct
36 Correct 511 ms 34508 KB Output is correct
37 Correct 2271 ms 75896 KB Output is correct
38 Correct 2258 ms 75860 KB Output is correct
39 Correct 2238 ms 76168 KB Output is correct
40 Correct 2221 ms 72288 KB Output is correct
41 Correct 106 ms 67312 KB Output is correct
42 Correct 123 ms 69112 KB Output is correct
43 Correct 270 ms 74744 KB Output is correct
44 Correct 290 ms 76664 KB Output is correct
45 Correct 138 ms 47896 KB Output is correct
46 Correct 133 ms 44536 KB Output is correct
47 Correct 236 ms 74144 KB Output is correct
48 Correct 236 ms 75168 KB Output is correct
49 Correct 13 ms 12024 KB Output is correct
50 Correct 12 ms 12024 KB Output is correct
51 Correct 16 ms 12280 KB Output is correct
52 Correct 15 ms 12152 KB Output is correct
53 Correct 14 ms 12024 KB Output is correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 33 ms 24568 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 12024 KB Output is correct
2 Runtime error 117 ms 76940 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 12024 KB Output is correct
2 Correct 15 ms 12280 KB Output is correct
3 Correct 13 ms 12280 KB Output is correct
4 Correct 16 ms 12280 KB Output is correct
5 Correct 16 ms 12152 KB Output is correct
6 Correct 15 ms 12280 KB Output is correct
7 Correct 15 ms 12280 KB Output is correct
8 Correct 13 ms 12152 KB Output is correct
9 Correct 15 ms 12280 KB Output is correct
10 Correct 13 ms 12280 KB Output is correct
11 Correct 13 ms 12280 KB Output is correct
12 Correct 13 ms 12280 KB Output is correct
13 Correct 12 ms 12024 KB Output is correct
14 Correct 13 ms 12056 KB Output is correct
15 Correct 12 ms 12024 KB Output is correct
16 Correct 12 ms 12024 KB Output is correct
17 Correct 17 ms 13304 KB Output is correct
18 Correct 21 ms 13304 KB Output is correct
19 Correct 20 ms 13304 KB Output is correct
20 Correct 17 ms 13176 KB Output is correct
21 Correct 18 ms 13304 KB Output is correct
22 Correct 16 ms 13304 KB Output is correct
23 Correct 16 ms 13304 KB Output is correct
24 Correct 17 ms 12920 KB Output is correct
25 Correct 71 ms 18340 KB Output is correct
26 Correct 69 ms 18296 KB Output is correct
27 Correct 76 ms 18296 KB Output is correct
28 Correct 24 ms 17772 KB Output is correct
29 Correct 31 ms 18296 KB Output is correct
30 Correct 29 ms 18424 KB Output is correct
31 Correct 28 ms 18248 KB Output is correct
32 Correct 28 ms 18212 KB Output is correct
33 Correct 550 ms 57280 KB Output is correct
34 Correct 527 ms 57308 KB Output is correct
35 Correct 554 ms 34552 KB Output is correct
36 Correct 511 ms 34508 KB Output is correct
37 Correct 2271 ms 75896 KB Output is correct
38 Correct 2258 ms 75860 KB Output is correct
39 Correct 2238 ms 76168 KB Output is correct
40 Correct 2221 ms 72288 KB Output is correct
41 Correct 106 ms 67312 KB Output is correct
42 Correct 123 ms 69112 KB Output is correct
43 Correct 270 ms 74744 KB Output is correct
44 Correct 290 ms 76664 KB Output is correct
45 Correct 138 ms 47896 KB Output is correct
46 Correct 133 ms 44536 KB Output is correct
47 Correct 236 ms 74144 KB Output is correct
48 Correct 236 ms 75168 KB Output is correct
49 Runtime error 33 ms 24568 KB Execution killed with signal 11 (could be triggered by violating memory limits)
50 Halted 0 ms 0 KB -