oj.uz

Submission #1021540

# Submission time Handle Problem Language Result Execution time Memory
1021540 2024-07-12T19:21:48 Z vjudge1 Rectangles (IOI19_rect) C++17
50 / 100
 1359 ms 61704 KB 
#include "rect.h"
#include <bits/stdc++.h>
#define ll long long
#define mid ((l+r)>>1)
#define pii pair<int,int>
#define fi first
#define se second
#define rep(a,b,c) for(int a=b; a<c; a++)
#define pb push_back

using namespace std;

const int moves[4][2]={{1,0},{-1,0},{0,1},{0,-1}};

ll count_rectangles(vector<vector<int>> a) {
	ll ans=0, n=a.size(), m=a[0].size();
	if(max(n,m)>200 && (n>3)){
	int x, y, z, b[4];
	queue<int> q;
	rep(i,0,n){
		rep(j,0,m){
			if(a[i][j]) continue;
			q.push(i);
			q.push(j);
			z=0;
			b[1]=0;
			b[0]=1e9;
			b[3]=0;
			b[2]=1e9;
			while(q.size()){
				x=q.front();q.pop();
				y=q.front();q.pop();
				if(a[x][y]) continue;
				a[x][y]=1;
				if(!x || !y || x+1==n || y+1==m) z=-1e9;
				b[1]=max(b[1],x);
				b[0]=min(b[0],x);
				b[3]=max(b[3],y);
				b[2]=min(b[2],y);
				z++;
				rep(k,0,4){
					x+=moves[k][0];
					y+=moves[k][1];
					if(0<=x && x<n && 0<=y && y<m && !a[x][y]){
						q.push(x);
						q.push(y);
					}
					x-=moves[k][0];
					y-=moves[k][1];
				}
			}
			if((b[1]-b[0]+1)*(b[3]-b[2]+1)==z) ans++; 
		}
	}
	return ans;

	}
	rep(ri,1,n-1){
		rep(ci,1,m-1){
			rep(rf,ri,n-1){
				rep(cf,ci,m-1){
					bool rect=1;
					rep(i,ri,rf+1){
						rep(j,ci,cf+1){
					if(a[i][j]>=a[ri-1][j] || a[i][j]>=a[rf+1][j] || a[i][j]>=a[i][ci-1] || a[i][j]>=a[i][cf+1]){
								rect=false;
								break;
							}
						}
						if(!rect) break;
					}
					ans+=rect;
				}
			}
		}
	}
	return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 33 ms 348 KB Output is correct
23 Correct 35 ms 604 KB Output is correct
24 Correct 33 ms 348 KB Output is correct
25 Correct 21 ms 348 KB Output is correct
26 Correct 24 ms 344 KB Output is correct
27 Correct 23 ms 500 KB Output is correct
28 Correct 24 ms 348 KB Output is correct
29 Correct 11 ms 484 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 33 ms 348 KB Output is correct
18 Correct 35 ms 604 KB Output is correct
19 Correct 33 ms 348 KB Output is correct
20 Correct 21 ms 348 KB Output is correct
21 Correct 24 ms 344 KB Output is correct
22 Correct 23 ms 500 KB Output is correct
23 Correct 24 ms 348 KB Output is correct
24 Correct 11 ms 484 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1321 ms 960 KB Output is correct
31 Correct 1323 ms 860 KB Output is correct
32 Correct 1359 ms 1036 KB Output is correct
33 Correct 851 ms 604 KB Output is correct
34 Correct 945 ms 856 KB Output is correct
35 Correct 953 ms 1036 KB Output is correct
36 Correct 962 ms 856 KB Output is correct
37 Correct 901 ms 1028 KB Output is correct

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 33 ms 348 KB Output is correct
18 Correct 35 ms 604 KB Output is correct
19 Correct 33 ms 348 KB Output is correct
20 Correct 21 ms 348 KB Output is correct
21 Correct 24 ms 344 KB Output is correct
22 Correct 23 ms 500 KB Output is correct
23 Correct 24 ms 348 KB Output is correct
24 Correct 11 ms 484 KB Output is correct
25 Correct 1321 ms 960 KB Output is correct
26 Correct 1323 ms 860 KB Output is correct
27 Correct 1359 ms 1036 KB Output is correct
28 Correct 851 ms 604 KB Output is correct
29 Correct 945 ms 856 KB Output is correct
30 Correct 953 ms 1036 KB Output is correct
31 Correct 962 ms 856 KB Output is correct
32 Correct 901 ms 1028 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Incorrect 16 ms 7516 KB Output isn't correct
39 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 348 KB Output is correct
2 Correct 8 ms 540 KB Output is correct
3 Correct 5 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 9 ms 344 KB Output is correct
6 Correct 9 ms 348 KB Output is correct
7 Correct 9 ms 348 KB Output is correct
8 Correct 9 ms 348 KB Output is correct
9 Correct 8 ms 344 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 0 ms 348 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 95 ms 28500 KB Output is correct
8 Correct 203 ms 61408 KB Output is correct
9 Correct 194 ms 61564 KB Output is correct
10 Correct 196 ms 61560 KB Output is correct
11 Correct 101 ms 30544 KB Output is correct
12 Correct 183 ms 57936 KB Output is correct
13 Correct 205 ms 61704 KB Output is correct

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 33 ms 348 KB Output is correct
18 Correct 35 ms 604 KB Output is correct
19 Correct 33 ms 348 KB Output is correct
20 Correct 21 ms 348 KB Output is correct
21 Correct 24 ms 344 KB Output is correct
22 Correct 23 ms 500 KB Output is correct
23 Correct 24 ms 348 KB Output is correct
24 Correct 11 ms 484 KB Output is correct
25 Correct 1321 ms 960 KB Output is correct
26 Correct 1323 ms 860 KB Output is correct
27 Correct 1359 ms 1036 KB Output is correct
28 Correct 851 ms 604 KB Output is correct
29 Correct 945 ms 856 KB Output is correct
30 Correct 953 ms 1036 KB Output is correct
31 Correct 962 ms 856 KB Output is correct
32 Correct 901 ms 1028 KB Output is correct
33 Incorrect 16 ms 7516 KB Output isn't correct
34 Halted 0 ms 0 KB -