oj.uz

Submission #948561

# Submission time Handle Problem Language Result Execution time Memory
948561 2024-03-18T07:53:30 Z vjudge1 Land of the Rainbow Gold (APIO17_rainbow) C++17
0 / 100
 494 ms 1048576 KB 
#include "rainbow.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
using namespace std;
#define ios ios::sync_with_stdio(false); cin.tie(NULL);
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define fr first
#define sc second
const int N=2e5+5;
int n,m,t,q;
int used[1005][1005];
vector< vector< int> > a;
void dfs(int x, int y, int x1, int x2, int y1, int y2){
	if(used[x][y]) return;
	if(x<x1 || x>x2 || y<y1 || y>y2 || a[x][y]) return;
	used[x][y]=1;
	dfs(x-1,y,x1,x2,y1,y2);
	dfs(x+1,y,x1,x2,y1,y2);
	dfs(x,y-1,x1,x2,y1,y2);
	dfs(x,y+1,x1,x2,y1,y2);
}
int pref[N],pr[N][2];
void init(int R, int C, int sr, int sc, int M, char *S) {
	n=R,m=C;
	int x=sr,y=sc;
	t=M;
	a.resize(n+2,vector<int>(m+2));
	a[x][y]=1;
	for(int i=0;i<t;i++){
		char c=S[i];
		if(c=='N') x--;
		else if(c=='S') x++;
		else if(c=='E') y++;
		else y--;
		a[x][y]=1;
	}
	a[1][0]=a[2][0]=1;
	for(int i=1;i<=m;i++){
		pr[i][0]+=pr[i-1][0];
		pr[i][1]+=pr[i-1][1];
		pref[i]+=pref[i-1];
		if(a[1][i] && a[2][i]) continue;
		if(a[1][i-1] && a[2][i-1]) pref[i]++;
		if(a[1][i-1] && !a[1][i]) pr[i][0]++;
		if(a[2][i-1] && !a[2][i]) pr[i][1]++;
	}
}

int colour(int ar, int ac, int br, int bc) {
    if(n==2){
		if(ar==br){
			if(ar==1) return pr[bc][0]-pr[ac-1][0];
			else return pr[bc][1]-pr[ac-1][1];
		}
		else{
			return pref[bc]-pref[ac-1];
		}
	}
	else{
		int x1=ar,x2=br,y1=ac,y2=bc;
		for(int i=x1;i<=x2;i++)
			for(int j=y1;j<=y2;j++) used[i][j]=0;
		int ans=0;
		for(int i=x1;i<=x2;i++){
			for(int j=y1;j<=y2;j++){
				if(!used[i][j] && !a[i][j]){
					ans++;
					dfs(i,j,x1,x2,y1,y2);
				}
			}
		}
		return ans;
	}
}

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 5 ms 4444 KB Output is correct
3 Correct 13 ms 4760 KB Output is correct
4 Correct 13 ms 4700 KB Output is correct
5 Correct 5 ms 4440 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4524 KB Output is correct
11 Correct 11 ms 4700 KB Output is correct
12 Correct 9 ms 4660 KB Output is correct
13 Correct 7 ms 4444 KB Output is correct
14 Correct 5 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Incorrect 1 ms 4440 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Incorrect 1 ms 4440 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Runtime error 494 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 5 ms 4444 KB Output is correct
3 Correct 13 ms 4760 KB Output is correct
4 Correct 13 ms 4700 KB Output is correct
5 Correct 5 ms 4440 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4524 KB Output is correct
11 Correct 11 ms 4700 KB Output is correct
12 Correct 9 ms 4660 KB Output is correct
13 Correct 7 ms 4444 KB Output is correct
14 Correct 5 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Incorrect 1 ms 4440 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 5 ms 4444 KB Output is correct
3 Correct 13 ms 4760 KB Output is correct
4 Correct 13 ms 4700 KB Output is correct
5 Correct 5 ms 4440 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4524 KB Output is correct
11 Correct 11 ms 4700 KB Output is correct
12 Correct 9 ms 4660 KB Output is correct
13 Correct 7 ms 4444 KB Output is correct
14 Correct 5 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Incorrect 1 ms 4440 KB Output isn't correct
18 Halted 0 ms 0 KB -