oj.uz

답안 #400793

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
400793 2021-05-08T16:39:18 Z mosiashvililuka Rectangles (IOI19_rect) C++17
100 / 100
 1788 ms 174260 KB 
#include "rect.h"
#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,e,i,j,ii,jj,zx,xc,f[2509][2509],pas;
short lf[2509][2509],rg[2509][2509],zm[2509][2509],qv[2509][2509];
short ZM[2509][2509],RG[2509][2509],QV[2509][2509],LF[2509][2509];
stack <int> st;
void chk(int q, int w, int qq, int ww){
	if(q>qq||w>ww) return;
	if(q<=1||w<=1||qq>=a||ww>=b) return;
	if(rg[q][w-1]==ww+1){
		if(RG[q][w-1]<qq){
			return;
		}
	}else{
		if(lf[q][ww+1]==w-1){
			if(LF[q][ww+1]<qq){
				return;
			}
		}else{
			return;
		}
	}
	if(zm[q-1][w]==qq+1){
		if(ZM[q-1][w]<ww){
			return;
		}
	}else{
		if(qv[qq+1][w]==q-1){
			if(QV[qq+1][w]<ww){
				return;
			}
		}else{
			return;
		}
	}
	pas++;
}
long long count_rectangles(std::vector<std::vector<int> > VA) {
	a=VA.size();
	b=VA[0].size();
	if(a<3||b<3){
		return 0;
	}
	for(i=1; i<=a; i++){
		for(j=1; j<=b; j++){
			f[i][j]=VA[i-1][j-1];
		}
	}
	for(i=1; i<=a; i++){
		while(st.size()) st.pop();
		for(j=1; j<=b; j++){
			while(st.size()&&f[i][st.top()]<f[i][j]){
				st.pop();
			}
			if(st.size()){
				lf[i][j]=st.top();
			}
			st.push(j);
		}
		while(st.size()) st.pop();
		for(j=b; j>=1; j--){
			while(st.size()&&f[i][st.top()]<f[i][j]){
				st.pop();
			}
			if(st.size()){
				if(f[i][st.top()]!=f[i][j]) rg[i][j]=st.top();
			}
			st.push(j);
		}
	}
	for(j=1; j<=b; j++){
		while(st.size()) st.pop();
		for(i=1; i<=a; i++){
			while(st.size()&&f[st.top()][j]<f[i][j]){
				st.pop();
			}
			if(st.size()){
				qv[i][j]=st.top();
			}
			st.push(i);
		}
		while(st.size()) st.pop();
		for(i=a; i>=1; i--){
			while(st.size()&&f[st.top()][j]<f[i][j]){
				st.pop();
			}
			if(st.size()){
				if(f[st.top()][j]!=f[i][j]) zm[i][j]=st.top();
			}
			st.push(i);
		}
	}
	for(j=b; j>=1; j--){
		for(i=1; i<=a; i++){
			if(qv[i][j]!=0){
				if(qv[i][j+1]==qv[i][j]){
					QV[i][j]=QV[i][j+1];
				}else{
					if(zm[qv[i][j]][j+1]==i){
						QV[i][j]=ZM[qv[i][j]][j+1];
					}else{
						QV[i][j]=j;
					}
				}
			}
			if(zm[i][j]!=0){
				if(zm[i][j+1]==zm[i][j]){
					ZM[i][j]=ZM[i][j+1];
				}else{
					if(qv[zm[i][j]][j+1]==i){
						ZM[i][j]=QV[zm[i][j]][j+1];
					}else{
						ZM[i][j]=j;
					}
				}
			}
		}
	}
	for(i=a; i>=1; i--){
		for(j=1; j<=b; j++){
			if(lf[i][j]!=0){
				if(lf[i+1][j]==lf[i][j]){
					LF[i][j]=LF[i+1][j];
				}else{
					if(rg[i+1][lf[i][j]]==j){
						LF[i][j]=RG[i+1][lf[i][j]];
					}else{
						LF[i][j]=i;
					}
				}
			}
			if(rg[i][j]!=0){
				if(rg[i+1][j]==rg[i][j]){
					RG[i][j]=RG[i+1][j];
				}else{
					if(lf[i+1][rg[i][j]]==j){
						RG[i][j]=LF[i+1][rg[i][j]];
					}else{
						RG[i][j]=i;
					}
				}
			}
		}
	}
	//
	for(i=2; i<a; i++){
		for(j=2; j<b; j++){
			if(zm[i-1][j]!=0&&rg[i][j-1]!=0){
				chk(i,j,zm[i-1][j]-1,rg[i][j-1]-1);
			}
			if(qv[i+1][j]!=0&&rg[i][j-1]!=0){
				chk(qv[i+1][j]+1,j,i,rg[i][j-1]-1);
			}
			if(rg[i][j-1]!=0){
			jj=rg[i][j-1]-1;
			if(zm[i-1][jj]!=0){
				chk(i,j,zm[i-1][jj]-1,jj);
			}
			if(qv[i+1][jj]!=0){
				chk(qv[i+1][jj]+1,j,i,jj);
			}
			}
			
			//
			
			if(zm[i-1][j]!=0&&lf[i][j+1]!=0){
				chk(i,lf[i][j+1]+1,zm[i-1][j]-1,j);
			}
			if(qv[i+1][j]!=0&&lf[i][j+1]!=0){
				chk(qv[i+1][j]+1,lf[i][j+1]+1,i,j);
			}
			if(lf[i][j+1]!=0){
			jj=lf[i][j+1]+1;
			if(zm[i-1][jj]!=0){
				chk(i,jj,zm[i-1][jj]-1,j);
			}
			if(qv[i+1][jj]!=0){
				chk(qv[i+1][jj]+1,jj,i,j);
			}
			}
		}
	}
	pas/=2;
	return pas;
}
/*int main(){
	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	cin>>a>>b;
	vector <int> QA;
	vector <vector <int> > WA;
	for(i=1; i<=a; i++){
		QA.clear();
		for(j=1; j<=b; j++){
			cin>>c;
			QA.push_back(c);
		}
		WA.push_back(QA);
	}
	cout<<count_rectangles(WA);
	return 0;
}*/

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 424 KB Output is correct
2 Correct 3 ms 1328 KB Output is correct
3 Correct 1 ms 1356 KB Output is correct
4 Correct 1 ms 1324 KB Output is correct
5 Correct 1 ms 936 KB Output is correct
6 Correct 1 ms 1328 KB Output is correct
7 Correct 1 ms 1324 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1316 KB Output is correct
11 Correct 2 ms 1312 KB Output is correct
12 Correct 1 ms 1332 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 460 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 2 ms 1328 KB Output is correct
20 Correct 1 ms 1100 KB Output is correct
21 Correct 1 ms 204 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 424 KB Output is correct
2 Correct 3 ms 1328 KB Output is correct
3 Correct 1 ms 1356 KB Output is correct
4 Correct 1 ms 1324 KB Output is correct
5 Correct 1 ms 936 KB Output is correct
6 Correct 1 ms 1328 KB Output is correct
7 Correct 1 ms 1324 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1316 KB Output is correct
11 Correct 2 ms 1312 KB Output is correct
12 Correct 1 ms 1332 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 460 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 2 ms 1328 KB Output is correct
20 Correct 1 ms 1100 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 3 ms 3388 KB Output is correct
23 Correct 4 ms 3404 KB Output is correct
24 Correct 4 ms 3404 KB Output is correct
25 Correct 3 ms 3404 KB Output is correct
26 Correct 4 ms 3276 KB Output is correct
27 Correct 4 ms 3404 KB Output is correct
28 Correct 3 ms 3276 KB Output is correct
29 Correct 3 ms 3260 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 424 KB Output is correct
2 Correct 3 ms 1328 KB Output is correct
3 Correct 1 ms 1356 KB Output is correct
4 Correct 1 ms 1324 KB Output is correct
5 Correct 1 ms 936 KB Output is correct
6 Correct 1 ms 1328 KB Output is correct
7 Correct 1 ms 1324 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1316 KB Output is correct
11 Correct 2 ms 1312 KB Output is correct
12 Correct 1 ms 1332 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 460 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 3 ms 3388 KB Output is correct
18 Correct 4 ms 3404 KB Output is correct
19 Correct 4 ms 3404 KB Output is correct
20 Correct 3 ms 3404 KB Output is correct
21 Correct 4 ms 3276 KB Output is correct
22 Correct 4 ms 3404 KB Output is correct
23 Correct 3 ms 3276 KB Output is correct
24 Correct 3 ms 3260 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 2 ms 1328 KB Output is correct
28 Correct 1 ms 1100 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 9 ms 8744 KB Output is correct
31 Correct 11 ms 8780 KB Output is correct
32 Correct 11 ms 8892 KB Output is correct
33 Correct 11 ms 8720 KB Output is correct
34 Correct 14 ms 8780 KB Output is correct
35 Correct 16 ms 8864 KB Output is correct
36 Correct 15 ms 8804 KB Output is correct
37 Correct 13 ms 8764 KB Output is correct

Subtask #4
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 424 KB Output is correct
2 Correct 3 ms 1328 KB Output is correct
3 Correct 1 ms 1356 KB Output is correct
4 Correct 1 ms 1324 KB Output is correct
5 Correct 1 ms 936 KB Output is correct
6 Correct 1 ms 1328 KB Output is correct
7 Correct 1 ms 1324 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1316 KB Output is correct
11 Correct 2 ms 1312 KB Output is correct
12 Correct 1 ms 1332 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 460 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 3 ms 3388 KB Output is correct
18 Correct 4 ms 3404 KB Output is correct
19 Correct 4 ms 3404 KB Output is correct
20 Correct 3 ms 3404 KB Output is correct
21 Correct 4 ms 3276 KB Output is correct
22 Correct 4 ms 3404 KB Output is correct
23 Correct 3 ms 3276 KB Output is correct
24 Correct 3 ms 3260 KB Output is correct
25 Correct 9 ms 8744 KB Output is correct
26 Correct 11 ms 8780 KB Output is correct
27 Correct 11 ms 8892 KB Output is correct
28 Correct 11 ms 8720 KB Output is correct
29 Correct 14 ms 8780 KB Output is correct
30 Correct 16 ms 8864 KB Output is correct
31 Correct 15 ms 8804 KB Output is correct
32 Correct 13 ms 8764 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 2 ms 1328 KB Output is correct
36 Correct 1 ms 1100 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 100 ms 36932 KB Output is correct
39 Correct 82 ms 36916 KB Output is correct
40 Correct 104 ms 36868 KB Output is correct
41 Correct 93 ms 36860 KB Output is correct
42 Correct 106 ms 37680 KB Output is correct
43 Correct 116 ms 37696 KB Output is correct
44 Correct 115 ms 37772 KB Output is correct
45 Correct 98 ms 35380 KB Output is correct
46 Correct 86 ms 36840 KB Output is correct
47 Correct 103 ms 36788 KB Output is correct
48 Correct 141 ms 37704 KB Output is correct
49 Correct 143 ms 37684 KB Output is correct
50 Correct 76 ms 33516 KB Output is correct
51 Correct 70 ms 19708 KB Output is correct
52 Correct 150 ms 37708 KB Output is correct
53 Correct 150 ms 37788 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 588 KB Output is correct
2 Correct 11 ms 588 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 3 ms 588 KB Output is correct
6 Correct 2 ms 588 KB Output is correct
7 Correct 2 ms 568 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 312 KB Output is correct

Subtask #6
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 2 ms 1328 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 519 ms 84788 KB Output is correct
8 Correct 1203 ms 172520 KB Output is correct
9 Correct 1380 ms 174072 KB Output is correct
10 Correct 1292 ms 174260 KB Output is correct
11 Correct 362 ms 63044 KB Output is correct
12 Correct 732 ms 122308 KB Output is correct
13 Correct 811 ms 125224 KB Output is correct

Subtask #7
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 424 KB Output is correct
2 Correct 3 ms 1328 KB Output is correct
3 Correct 1 ms 1356 KB Output is correct
4 Correct 1 ms 1324 KB Output is correct
5 Correct 1 ms 936 KB Output is correct
6 Correct 1 ms 1328 KB Output is correct
7 Correct 1 ms 1324 KB Output is correct
8 Correct 1 ms 716 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1316 KB Output is correct
11 Correct 2 ms 1312 KB Output is correct
12 Correct 1 ms 1332 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 460 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 3 ms 3388 KB Output is correct
18 Correct 4 ms 3404 KB Output is correct
19 Correct 4 ms 3404 KB Output is correct
20 Correct 3 ms 3404 KB Output is correct
21 Correct 4 ms 3276 KB Output is correct
22 Correct 4 ms 3404 KB Output is correct
23 Correct 3 ms 3276 KB Output is correct
24 Correct 3 ms 3260 KB Output is correct
25 Correct 9 ms 8744 KB Output is correct
26 Correct 11 ms 8780 KB Output is correct
27 Correct 11 ms 8892 KB Output is correct
28 Correct 11 ms 8720 KB Output is correct
29 Correct 14 ms 8780 KB Output is correct
30 Correct 16 ms 8864 KB Output is correct
31 Correct 15 ms 8804 KB Output is correct
32 Correct 13 ms 8764 KB Output is correct
33 Correct 100 ms 36932 KB Output is correct
34 Correct 82 ms 36916 KB Output is correct
35 Correct 104 ms 36868 KB Output is correct
36 Correct 93 ms 36860 KB Output is correct
37 Correct 106 ms 37680 KB Output is correct
38 Correct 116 ms 37696 KB Output is correct
39 Correct 115 ms 37772 KB Output is correct
40 Correct 98 ms 35380 KB Output is correct
41 Correct 86 ms 36840 KB Output is correct
42 Correct 103 ms 36788 KB Output is correct
43 Correct 141 ms 37704 KB Output is correct
44 Correct 143 ms 37684 KB Output is correct
45 Correct 76 ms 33516 KB Output is correct
46 Correct 70 ms 19708 KB Output is correct
47 Correct 150 ms 37708 KB Output is correct
48 Correct 150 ms 37788 KB Output is correct
49 Correct 2 ms 588 KB Output is correct
50 Correct 11 ms 588 KB Output is correct
51 Correct 1 ms 460 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 3 ms 588 KB Output is correct
54 Correct 2 ms 588 KB Output is correct
55 Correct 2 ms 568 KB Output is correct
56 Correct 3 ms 588 KB Output is correct
57 Correct 2 ms 588 KB Output is correct
58 Correct 1 ms 336 KB Output is correct
59 Correct 1 ms 312 KB Output is correct
60 Correct 1 ms 588 KB Output is correct
61 Correct 519 ms 84788 KB Output is correct
62 Correct 1203 ms 172520 KB Output is correct
63 Correct 1380 ms 174072 KB Output is correct
64 Correct 1292 ms 174260 KB Output is correct
65 Correct 362 ms 63044 KB Output is correct
66 Correct 732 ms 122308 KB Output is correct
67 Correct 811 ms 125224 KB Output is correct
68 Correct 1 ms 204 KB Output is correct
69 Correct 1 ms 204 KB Output is correct
70 Correct 2 ms 1328 KB Output is correct
71 Correct 1 ms 1100 KB Output is correct
72 Correct 1 ms 204 KB Output is correct
73 Correct 1131 ms 171592 KB Output is correct
74 Correct 1072 ms 171424 KB Output is correct
75 Correct 1053 ms 171548 KB Output is correct
76 Correct 1068 ms 171396 KB Output is correct
77 Correct 1270 ms 172232 KB Output is correct
78 Correct 1048 ms 105384 KB Output is correct
79 Correct 1132 ms 154108 KB Output is correct
80 Correct 1698 ms 172244 KB Output is correct
81 Correct 1101 ms 103572 KB Output is correct
82 Correct 1450 ms 162464 KB Output is correct
83 Correct 1788 ms 172588 KB Output is correct
84 Correct 1066 ms 103508 KB Output is correct
85 Correct 1765 ms 172352 KB Output is correct
86 Correct 1702 ms 167628 KB Output is correct
87 Correct 817 ms 152700 KB Output is correct
88 Correct 1284 ms 172068 KB Output is correct
89 Correct 1285 ms 172228 KB Output is correct
90 Correct 1279 ms 172144 KB Output is correct