oj.uz

Submission #348049

# Submission time Handle Problem Language Result Execution time Memory
348049 2021-01-14T05:21:39 Z juggernaut Rectangles (IOI19_rect) C++14
50 / 100
 3609 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]&&a[i-1][j]){
                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 1 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 2 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 364 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 1 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 2 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 94 ms 364 KB Output is correct
19 Correct 90 ms 492 KB Output is correct
20 Correct 86 ms 364 KB Output is correct
21 Correct 83 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 364 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 1 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 2 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 94 ms 364 KB Output is correct
19 Correct 90 ms 492 KB Output is correct
20 Correct 86 ms 364 KB Output is correct
21 Correct 83 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 3602 ms 876 KB Output is correct
26 Correct 3609 ms 876 KB Output is correct
27 Correct 3600 ms 876 KB Output is correct
28 Correct 3305 ms 868 KB Output is correct
29 Correct 3479 ms 900 KB Output is correct
30 Correct 3454 ms 868 KB Output is correct
31 Correct 3418 ms 748 KB Output is correct
32 Correct 3327 ms 876 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 364 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 1 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 2 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 94 ms 364 KB Output is correct
19 Correct 90 ms 492 KB Output is correct
20 Correct 86 ms 364 KB Output is correct
21 Correct 83 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 3602 ms 876 KB Output is correct
26 Correct 3609 ms 876 KB Output is correct
27 Correct 3600 ms 876 KB Output is correct
28 Correct 3305 ms 868 KB Output is correct
29 Correct 3479 ms 900 KB Output is correct
30 Correct 3454 ms 868 KB Output is correct
31 Correct 3418 ms 748 KB Output is correct
32 Correct 3327 ms 876 KB Output is correct
33 Incorrect 20 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 364 KB Output is correct
2 Correct 22 ms 492 KB Output is correct
3 Correct 26 ms 492 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 30 ms 492 KB Output is correct
6 Correct 30 ms 492 KB Output is correct
7 Correct 31 ms 492 KB Output is correct
8 Correct 29 ms 492 KB Output is correct
9 Correct 31 ms 492 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 91 ms 46316 KB Output is correct
3 Correct 194 ms 98156 KB Output is correct
4 Correct 191 ms 98540 KB Output is correct
5 Correct 195 ms 98540 KB Output is correct
6 Correct 65 ms 48748 KB Output is correct
7 Correct 125 ms 93932 KB Output is correct
8 Correct 130 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 364 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 1 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 2 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 94 ms 364 KB Output is correct
19 Correct 90 ms 492 KB Output is correct
20 Correct 86 ms 364 KB Output is correct
21 Correct 83 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 3602 ms 876 KB Output is correct
26 Correct 3609 ms 876 KB Output is correct
27 Correct 3600 ms 876 KB Output is correct
28 Correct 3305 ms 868 KB Output is correct
29 Correct 3479 ms 900 KB Output is correct
30 Correct 3454 ms 868 KB Output is correct
31 Correct 3418 ms 748 KB Output is correct
32 Correct 3327 ms 876 KB Output is correct
33 Incorrect 20 ms 10860 KB Output isn't correct
34 Halted 0 ms 0 KB -