oj.uz

Submission #348052

# Submission time Handle Problem Language Result Execution time Memory
348052 2021-01-14T05:45:19 Z juggernaut Rectangles (IOI19_rect) C++14
50 / 100
 3828 ms 98540 KB 
#include"rect.h"
#include<bits/stdc++.h>
#ifdef EVAL
#else
#include"grader.cpp"
#endif
using namespace std;
int b[2505][2505],n,m;
vector<vector<int>>a;
bool check(int r1,int c1,int r2,int c2){
	for(int i=r1;i<=r2;i++)
		for(int j=c1;j<=c2;j++)
			if(a[i][j]>=min(min(a[i][c1-1],a[i][c2+1]),min(a[r1-1][j],a[r2+1][j])))return 0;
	return 1;
}
int get(int x,int y,int x2,int y2){
    int sum=b[x2][y2];
    if(x&&y)sum+=b[x-1][y-1];
    if(x)sum-=b[x-1][y2];
    if(y)sum-=b[x2][y-1];
    return sum;
}
long long count_rectangles(vector<vector<int>>a){
	n=a.size(),m=a[0].size();
	::a=a;
	long long res=0;
	if((n<=200&&m<=200)||(n<=3)){
        for(int i=1;i<n-1;i++)
		for(int j=1;j<m-1;j++)
			for(int I=i;I<n-1;I++)
				for(int J=j;J<m-1;J++)res+=check(i,j,I,J);
	}else{
	    for(int i=0;i<n;i++)
        for(int j=0;j<m;j++){
            b[i][j]=a[i][j];
            if(i&&j)b[i][j]-=b[i-1][j-1];
            if(i)b[i][j]+=b[i-1][j];
            if(j)b[i][j]+=b[i][j-1];
        }
        for(int i=1;i+1<n;i++)
        for(int j=1;j+1<m;j++)
            if(!a[i][j]&&a[i][j-1]){
                int x=i;
                while(x+1<n&&!a[x+1][j])x++;
                int y=j;
                while(y+1<m&&!a[i][y+1])y++;
                if(get(i,j,x,y)==0&&get(i-1,j,i-1,y)==y-j+1&&get(x+1,j,x+1,y)==y-j+1&&get(i,j-1,x,j-1)==x-i+1&&get(i,y+1,x,y+1)==x-i+1)res++;
            }
	}
    return res;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 5 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 0 ms 364 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 5 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 90 ms 364 KB Output is correct
18 Correct 93 ms 364 KB Output is correct
19 Correct 93 ms 492 KB Output is correct
20 Correct 81 ms 364 KB Output is correct
21 Correct 84 ms 364 KB Output is correct
22 Correct 83 ms 364 KB Output is correct
23 Correct 85 ms 364 KB Output is correct
24 Correct 21 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 0 ms 364 KB Output is correct
27 Correct 2 ms 512 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 5 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 90 ms 364 KB Output is correct
18 Correct 93 ms 364 KB Output is correct
19 Correct 93 ms 492 KB Output is correct
20 Correct 81 ms 364 KB Output is correct
21 Correct 84 ms 364 KB Output is correct
22 Correct 83 ms 364 KB Output is correct
23 Correct 85 ms 364 KB Output is correct
24 Correct 21 ms 364 KB Output is correct
25 Correct 3617 ms 868 KB Output is correct
26 Correct 3612 ms 876 KB Output is correct
27 Correct 3786 ms 876 KB Output is correct
28 Correct 3329 ms 868 KB Output is correct
29 Correct 3449 ms 868 KB Output is correct
30 Correct 3828 ms 876 KB Output is correct
31 Correct 3567 ms 868 KB Output is correct
32 Correct 3313 ms 748 KB Output is correct
33 Correct 0 ms 364 KB Output is correct
34 Correct 0 ms 364 KB Output is correct
35 Correct 2 ms 512 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 0 ms 364 KB Output is correct

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 5 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 90 ms 364 KB Output is correct
18 Correct 93 ms 364 KB Output is correct
19 Correct 93 ms 492 KB Output is correct
20 Correct 81 ms 364 KB Output is correct
21 Correct 84 ms 364 KB Output is correct
22 Correct 83 ms 364 KB Output is correct
23 Correct 85 ms 364 KB Output is correct
24 Correct 21 ms 364 KB Output is correct
25 Correct 3617 ms 868 KB Output is correct
26 Correct 3612 ms 876 KB Output is correct
27 Correct 3786 ms 876 KB Output is correct
28 Correct 3329 ms 868 KB Output is correct
29 Correct 3449 ms 868 KB Output is correct
30 Correct 3828 ms 876 KB Output is correct
31 Correct 3567 ms 868 KB Output is correct
32 Correct 3313 ms 748 KB Output is correct
33 Incorrect 21 ms 10860 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 492 KB Output is correct
2 Correct 22 ms 456 KB Output is correct
3 Correct 26 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 29 ms 364 KB Output is correct
6 Correct 31 ms 364 KB Output is correct
7 Correct 29 ms 364 KB Output is correct
8 Correct 29 ms 364 KB Output is correct
9 Correct 29 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 96 ms 46316 KB Output is correct
3 Correct 211 ms 98028 KB Output is correct
4 Correct 208 ms 98540 KB Output is correct
5 Correct 205 ms 98540 KB Output is correct
6 Correct 64 ms 48748 KB Output is correct
7 Correct 121 ms 93932 KB Output is correct
8 Correct 128 ms 98540 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 5 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 90 ms 364 KB Output is correct
18 Correct 93 ms 364 KB Output is correct
19 Correct 93 ms 492 KB Output is correct
20 Correct 81 ms 364 KB Output is correct
21 Correct 84 ms 364 KB Output is correct
22 Correct 83 ms 364 KB Output is correct
23 Correct 85 ms 364 KB Output is correct
24 Correct 21 ms 364 KB Output is correct
25 Correct 3617 ms 868 KB Output is correct
26 Correct 3612 ms 876 KB Output is correct
27 Correct 3786 ms 876 KB Output is correct
28 Correct 3329 ms 868 KB Output is correct
29 Correct 3449 ms 868 KB Output is correct
30 Correct 3828 ms 876 KB Output is correct
31 Correct 3567 ms 868 KB Output is correct
32 Correct 3313 ms 748 KB Output is correct
33 Incorrect 21 ms 10860 KB Output isn't correct
34 Halted 0 ms 0 KB -