oj.uz

Submission #974959

# Submission time Handle Problem Language Result Execution time Memory
974959 2024-05-04T07:56:05 Z oolimry Mars (APIO22_mars) C++17
21 / 100
 33 ms 4660 KB 
#include <bits/stdc++.h>
using namespace std;
#define sz(x) (int) (x).size()
#define all(x) (x).begin(), (x).end()
#define show(x) cerr << #x << " is " << x << endl;
#define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl;
#define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl;
#define showlist(x) cerr << #x << " is "; for(auto p : x) cerr << p << " "; cerr << endl;
typedef pair<int,int> ii;
 
/// attempt 3 store number of connected components?
/// push the values up to the LHS 3x3 square and then process the border information
 
int grid[45][45];
int ccNumber[45][45];
map<ii, vector<ii> > adj;
int CNTBUFFER = 10; ///bits used just to store the size
int ccCounter = 0;
void resetgrid(){
	ccCounter = 1;
	adj.clear();
	for(int i = 0;i < 45;i++) for(int j = 0;j < 45;j++) grid[i][j] = 0;
	for(int i = 0;i < 45;i++) for(int j = 0;j < 45;j++) ccNumber[i][j] = 0;
}
 
void dfs(int i, int j){
	if(i < 0 or j < 0) return;
	if(grid[i][j] == 0) return;
	
	grid[i][j] = 0;
	ccNumber[i][j] = ccCounter;
	
	for(ii cell : adj[ii(i,j)]) dfs(cell.first,cell.second);
	dfs(i+1,j);
	dfs(i-1,j);
	dfs(i,j+1);
	dfs(i,j-1);
} 
 
///return the layer, and the position in that layer
ii layer(int i, int j){
	int L = max(i,j);
	int pos = abs(i - L) + abs(j - 0);
	return {L,pos};
}
 
vector<ii> cellsOnLayer(int L){
	vector<ii> cells;
	for(int j = 0;j <= L;j++) cells.push_back({L,j});
	for(int i = L-1;i >= 0;i--) cells.push_back({i,L});
	return cells;
}
 
string writeNumber(int cnt){
	string res = string(100 ,'0');
	for(int p = 0;p < 100;p++){
		if(cnt % 2 == 1) res[p] = '1';
		cnt /= 2;
	}
	return res;
}
 
void orTo(string &a, string b){
	for(int p = 0;p < 100;p++){
		if(b[p] == '1') a[p] = '1';
	}
}
 
struct cornerInfo{
	int internalComponents = 0;
	vector<int> border;
};
 
string cornerInfoToString(cornerInfo C){
	string res = writeNumber(C.internalComponents);
	
	int b = CNTBUFFER;
	for(int x : C.border){
		for(int bit = 0;bit < 4;bit++){
			if(x % 2 == 1) res[b] = '1';
			x /= 2;
			b++;
		}
	}
	
	return res;
}
 
cornerInfo stringToCornerInfo(string s, int szOfBorder){
	cornerInfo C;
	
	for(int b = 9;b >= 0;b--){
		C.internalComponents *= 2;
		if(s[b] == '1') C.internalComponents++;
	}
	
	int b = CNTBUFFER;
	while(sz(C.border) < szOfBorder){
		int cc = 0;
		for(int bit = 0;bit < 4;bit++){
			if(s[b] == '1') cc += (1<<bit);
			b++;
		}
		
		C.border.push_back(cc);
	}
	
	return C;
}
 
 
 
string process(vector <vector<string>> a, int I, int J, int K, int n){
	string res = string(100,'0');
	
	/* testing cornerInfo conversion
	cornerInfo C; C.internalComponents = 4; C.border = {1,0,3,0,4};
	string S = cornerInfoToString(C); show(S);
	C = stringToCornerInfo(S, 5); show(C.internalComponents); showlist(C.border);
	return res;
	*/
	
	//cerr << I << " " << J << " " << K << endl;
	
	if(K == 0){ ///first run
		for(int i = 0;i <= 2;i++){
			for(int j = 0;j <= 2;j++){
				if(a[i][j][0] == '1'){
					a[i][j] = string(100, '0');
					ii info = layer(I+i, j+J);
					
					a[i][j][info.second] = '1';
				}
				else a[i][j] = string(100, '0');
			}
		}
		
		if(I == 0 and J == 0){		
			cornerInfo C; C.internalComponents = 0;
			if(a[0][0][0] == '1') C.border = {1};
			else C.border = {0};
			
			a[0][0] = cornerInfoToString(C);
		}
	}
	
	if(I == 0 and J == 0){ /// do the terrible graph thing
		resetgrid();
		
		int layer0 = K*2;
		int layer1 = layer0 + 1;
		int layer2 = layer1 + 1;
		
		auto layer0cells = cellsOnLayer(layer0);
		auto layer1cells = cellsOnLayer(layer1);
		auto layer2cells = cellsOnLayer(layer2);
		
		cornerInfo C = stringToCornerInfo(a[0][0], sz(layer0cells));
		
		
		string layer1String = string(100, '0');
		string layer2String = string(100, '0');
		
		for(int i = 0;i <= 2;i++){
			for(int j = 0;j <= 2;j++){
				if(i == 0 and j == 0) continue;
				
				if(i == 2 or j == 2) orTo(layer2String, a[i][j]);
				else orTo(layer1String, a[i][j]);
			}
		}
		
		map<int, ii> prevSameComponent;
		for(int a = 0;a < sz(layer0cells);a++){
			ii cell = layer0cells[a];
			int cc = C.border[a];
			if(cc != 0) grid[cell.first][cell.second] = 1;
			
			if(cc != 0 and prevSameComponent.find(cc) != prevSameComponent.end()){
				ii cell2 = prevSameComponent[cc];
				adj[cell].push_back(cell2);
				adj[cell2].push_back(cell);
				
				//show2(cell.first, cell.second);
				//show2(cell2.first, cell2.second);
			}
			prevSameComponent[cc] = cell;
		}
		
		for(int a = 0;a < sz(layer1cells);a++){
			ii cell = layer1cells[a];
			if(layer1String[a] == '1') grid[cell.first][cell.second] = 1;
			else grid[cell.first][cell.second] = 0;
		}
		for(int a = 0;a < sz(layer2cells);a++){
			ii cell = layer2cells[a];
			if(layer2String[a] == '1') grid[cell.first][cell.second] = 1;
			else grid[cell.first][cell.second] = 0;
		}
		
		for(int i = 0;i <= 2*n;i++){
			for(int j = 0;j <= 2*n;j++){
				//cerr << grid[i][j] << " ";
			}
			//cerr << endl;
		}
		
		for(int i = 0;i <= 2*n;i++) for(int j = 0;j <= 2*n;j++){
			if(grid[i][j] != 0){
				dfs(i,j);
				ccCounter++;
			}
		}
		
		set<int> borderComponents;
		for(ii cell : layer2cells){
			int cc = ccNumber[cell.first][cell.second];
			if(cc != 0) borderComponents.insert(cc);
		}
		
		C.internalComponents += ccCounter - sz(borderComponents) - 1;
		
		/* bad
		for(int i = 0;i <= 2*n;i++) for(int j = 0;j <= 2*n;j++){
			int cc = ccNumber[i][j];
			if(cc != 0 and borderComponents.find(cc) == borderComponents.end()){
				C.internalComponents++;
			}
		}
		*/
		
		map<int,int> disc;
		int discCnt = 1;
		for(int x : borderComponents) disc[x] = discCnt++;
		
		C.border.clear();
		for(ii cell : layer2cells){
			int cc = ccNumber[cell.first][cell.second];
			if(cc == 0) C.border.push_back(0);
			else C.border.push_back(disc[cc]);
		}
		
		//
		
		show(C.internalComponents);
		showlist(C.border);
		
		if(K == n-1){ ///final run
			int ans = C.internalComponents + sz(borderComponents);
			res = writeNumber(ans);
		}	
		else{
			///finally write the cell info
			res = cornerInfoToString(C);
		}
	}
	else{
		for(int i = 0;i <= 2;i++){
			for(int j = 0;j <= 2;j++){
				if(layer(I,J).first == layer(i+I,j+J).first - 2) orTo(res, a[i][j]);
			}
		}
	}
	
	
	
	// cerr << res << endl;
	
	
	return res;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4040 KB Output is correct
2 Correct 8 ms 3880 KB Output is correct
3 Correct 6 ms 3392 KB Output is correct
4 Correct 7 ms 3864 KB Output is correct
5 Correct 8 ms 3872 KB Output is correct
6 Correct 8 ms 3792 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4040 KB Output is correct
2 Correct 8 ms 3880 KB Output is correct
3 Correct 6 ms 3392 KB Output is correct
4 Correct 7 ms 3864 KB Output is correct
5 Correct 8 ms 3872 KB Output is correct
6 Correct 8 ms 3792 KB Output is correct
7 Correct 8 ms 3824 KB Output is correct
8 Correct 12 ms 4024 KB Output is correct
9 Correct 11 ms 4136 KB Output is correct
10 Correct 15 ms 4004 KB Output is correct
11 Correct 13 ms 3884 KB Output is correct
12 Correct 11 ms 3664 KB Output is correct
13 Correct 12 ms 4152 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4040 KB Output is correct
2 Correct 8 ms 3880 KB Output is correct
3 Correct 6 ms 3392 KB Output is correct
4 Correct 7 ms 3864 KB Output is correct
5 Correct 8 ms 3872 KB Output is correct
6 Correct 8 ms 3792 KB Output is correct
7 Correct 8 ms 3824 KB Output is correct
8 Correct 12 ms 4024 KB Output is correct
9 Correct 11 ms 4136 KB Output is correct
10 Correct 15 ms 4004 KB Output is correct
11 Correct 13 ms 3884 KB Output is correct
12 Correct 11 ms 3664 KB Output is correct
13 Correct 12 ms 4152 KB Output is correct
14 Correct 22 ms 4452 KB Output is correct
15 Correct 27 ms 4460 KB Output is correct
16 Correct 27 ms 4228 KB Output is correct
17 Correct 33 ms 4288 KB Output is correct
18 Correct 23 ms 4660 KB Output is correct
19 Correct 31 ms 4116 KB Output is correct
20 Correct 27 ms 4340 KB Output is correct

Subtask #4
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4040 KB Output is correct
2 Correct 8 ms 3880 KB Output is correct
3 Correct 6 ms 3392 KB Output is correct
4 Correct 7 ms 3864 KB Output is correct
5 Correct 8 ms 3872 KB Output is correct
6 Correct 8 ms 3792 KB Output is correct
7 Correct 8 ms 3824 KB Output is correct
8 Correct 12 ms 4024 KB Output is correct
9 Correct 11 ms 4136 KB Output is correct
10 Correct 15 ms 4004 KB Output is correct
11 Correct 13 ms 3884 KB Output is correct
12 Correct 11 ms 3664 KB Output is correct
13 Correct 12 ms 4152 KB Output is correct
14 Correct 22 ms 4452 KB Output is correct
15 Correct 27 ms 4460 KB Output is correct
16 Correct 27 ms 4228 KB Output is correct
17 Correct 33 ms 4288 KB Output is correct
18 Correct 23 ms 4660 KB Output is correct
19 Correct 31 ms 4116 KB Output is correct
20 Correct 27 ms 4340 KB Output is correct
21 Runtime error 6 ms 712 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -

Subtask #5
0.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4040 KB Output is correct
2 Correct 8 ms 3880 KB Output is correct
3 Correct 6 ms 3392 KB Output is correct
4 Correct 7 ms 3864 KB Output is correct
5 Correct 8 ms 3872 KB Output is correct
6 Correct 8 ms 3792 KB Output is correct
7 Correct 8 ms 3824 KB Output is correct
8 Correct 12 ms 4024 KB Output is correct
9 Correct 11 ms 4136 KB Output is correct
10 Correct 15 ms 4004 KB Output is correct
11 Correct 13 ms 3884 KB Output is correct
12 Correct 11 ms 3664 KB Output is correct
13 Correct 12 ms 4152 KB Output is correct
14 Correct 22 ms 4452 KB Output is correct
15 Correct 27 ms 4460 KB Output is correct
16 Correct 27 ms 4228 KB Output is correct
17 Correct 33 ms 4288 KB Output is correct
18 Correct 23 ms 4660 KB Output is correct
19 Correct 31 ms 4116 KB Output is correct
20 Correct 27 ms 4340 KB Output is correct
21 Runtime error 6 ms 712 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -

Subtask #6
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4040 KB Output is correct
2 Correct 8 ms 3880 KB Output is correct
3 Correct 6 ms 3392 KB Output is correct
4 Correct 7 ms 3864 KB Output is correct
5 Correct 8 ms 3872 KB Output is correct
6 Correct 8 ms 3792 KB Output is correct
7 Correct 8 ms 3824 KB Output is correct
8 Correct 12 ms 4024 KB Output is correct
9 Correct 11 ms 4136 KB Output is correct
10 Correct 15 ms 4004 KB Output is correct
11 Correct 13 ms 3884 KB Output is correct
12 Correct 11 ms 3664 KB Output is correct
13 Correct 12 ms 4152 KB Output is correct
14 Correct 22 ms 4452 KB Output is correct
15 Correct 27 ms 4460 KB Output is correct
16 Correct 27 ms 4228 KB Output is correct
17 Correct 33 ms 4288 KB Output is correct
18 Correct 23 ms 4660 KB Output is correct
19 Correct 31 ms 4116 KB Output is correct
20 Correct 27 ms 4340 KB Output is correct
21 Runtime error 6 ms 712 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -

Subtask #7
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4040 KB Output is correct
2 Correct 8 ms 3880 KB Output is correct
3 Correct 6 ms 3392 KB Output is correct
4 Correct 7 ms 3864 KB Output is correct
5 Correct 8 ms 3872 KB Output is correct
6 Correct 8 ms 3792 KB Output is correct
7 Correct 8 ms 3824 KB Output is correct
8 Correct 12 ms 4024 KB Output is correct
9 Correct 11 ms 4136 KB Output is correct
10 Correct 15 ms 4004 KB Output is correct
11 Correct 13 ms 3884 KB Output is correct
12 Correct 11 ms 3664 KB Output is correct
13 Correct 12 ms 4152 KB Output is correct
14 Correct 22 ms 4452 KB Output is correct
15 Correct 27 ms 4460 KB Output is correct
16 Correct 27 ms 4228 KB Output is correct
17 Correct 33 ms 4288 KB Output is correct
18 Correct 23 ms 4660 KB Output is correct
19 Correct 31 ms 4116 KB Output is correct
20 Correct 27 ms 4340 KB Output is correct
21 Runtime error 6 ms 712 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -

Subtask #8
0.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4040 KB Output is correct
2 Correct 8 ms 3880 KB Output is correct
3 Correct 6 ms 3392 KB Output is correct
4 Correct 7 ms 3864 KB Output is correct
5 Correct 8 ms 3872 KB Output is correct
6 Correct 8 ms 3792 KB Output is correct
7 Correct 8 ms 3824 KB Output is correct
8 Correct 12 ms 4024 KB Output is correct
9 Correct 11 ms 4136 KB Output is correct
10 Correct 15 ms 4004 KB Output is correct
11 Correct 13 ms 3884 KB Output is correct
12 Correct 11 ms 3664 KB Output is correct
13 Correct 12 ms 4152 KB Output is correct
14 Correct 22 ms 4452 KB Output is correct
15 Correct 27 ms 4460 KB Output is correct
16 Correct 27 ms 4228 KB Output is correct
17 Correct 33 ms 4288 KB Output is correct
18 Correct 23 ms 4660 KB Output is correct
19 Correct 31 ms 4116 KB Output is correct
20 Correct 27 ms 4340 KB Output is correct
21 Runtime error 6 ms 712 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -

Subtask #9
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4040 KB Output is correct
2 Correct 8 ms 3880 KB Output is correct
3 Correct 6 ms 3392 KB Output is correct
4 Correct 7 ms 3864 KB Output is correct
5 Correct 8 ms 3872 KB Output is correct
6 Correct 8 ms 3792 KB Output is correct
7 Correct 8 ms 3824 KB Output is correct
8 Correct 12 ms 4024 KB Output is correct
9 Correct 11 ms 4136 KB Output is correct
10 Correct 15 ms 4004 KB Output is correct
11 Correct 13 ms 3884 KB Output is correct
12 Correct 11 ms 3664 KB Output is correct
13 Correct 12 ms 4152 KB Output is correct
14 Correct 22 ms 4452 KB Output is correct
15 Correct 27 ms 4460 KB Output is correct
16 Correct 27 ms 4228 KB Output is correct
17 Correct 33 ms 4288 KB Output is correct
18 Correct 23 ms 4660 KB Output is correct
19 Correct 31 ms 4116 KB Output is correct
20 Correct 27 ms 4340 KB Output is correct
21 Runtime error 6 ms 712 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -

Subtask #10
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4040 KB Output is correct
2 Correct 8 ms 3880 KB Output is correct
3 Correct 6 ms 3392 KB Output is correct
4 Correct 7 ms 3864 KB Output is correct
5 Correct 8 ms 3872 KB Output is correct
6 Correct 8 ms 3792 KB Output is correct
7 Correct 8 ms 3824 KB Output is correct
8 Correct 12 ms 4024 KB Output is correct
9 Correct 11 ms 4136 KB Output is correct
10 Correct 15 ms 4004 KB Output is correct
11 Correct 13 ms 3884 KB Output is correct
12 Correct 11 ms 3664 KB Output is correct
13 Correct 12 ms 4152 KB Output is correct
14 Correct 22 ms 4452 KB Output is correct
15 Correct 27 ms 4460 KB Output is correct
16 Correct 27 ms 4228 KB Output is correct
17 Correct 33 ms 4288 KB Output is correct
18 Correct 23 ms 4660 KB Output is correct
19 Correct 31 ms 4116 KB Output is correct
20 Correct 27 ms 4340 KB Output is correct
21 Runtime error 6 ms 712 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -