oj.uz

Submission #1003952

# Submission time Handle Problem Language Result Execution time Memory
1003952 2024-06-20T20:48:05 Z vjudge1 Paint (COI20_paint) C++17
8 / 100
 3000 ms 11508 KB 
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pb push_back
#define all(x) x.begin(), x.end()
#define allr(x) x.rbegin(), x.rend()
#define mp make_pair

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef complex<double> cd;

const int MAXN = 5e5+10;
const int MOD = 1e9+7;
const int INF = 0x3f3f3f3f;
const ll LINF = 0x3f3f3f3f3f3f3f3f;
const double PI = acos(-1);

int n, m;
vector<vector<int>> grid;
int d[4]={0, 0, -1, 1};

void dfs(int x, int y, int c, int nova){
	grid[x][y]=nova;
	
	for(int i=0;i<4;i++){
		int dx=x+d[i], dy=y+d[3-i];
		if(dx<0 || dx>=n || dy<0 || dy>=m || grid[dx][dy]!=c) continue;
		dfs(dx, dy, c, nova);
	}
}

void solve(){
	cin >> n >> m;
	grid.resize(n, vector<int>(m));
	for(int i=0;i<n;i++)
		for(int j=0;j<m;j++)
			cin >> grid[i][j];
			
	int q; cin >> q;
	while(q--){
		int x, y, c; cin >> x >> y >> c; x--; y--;
		if(c==grid[x][y]) continue;
		dfs(x, y, grid[x][y], c);
	}
	
	for(int i=0;i<n;i++)
		for(int j=0;j<m;j++)
			cout << grid[i][j] << " \n"[j==m-1];
}

int32_t main(){
	//~ ios_base::sync_with_stdio(false); cin.tie(NULL);
	
	int tt=1;
	//~ cin >> tt;
	while(tt--) solve();
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 3 ms 348 KB Output is correct
4 Correct 4 ms 348 KB Output is correct
5 Correct 204 ms 632 KB Output is correct
6 Correct 310 ms 860 KB Output is correct
7 Correct 1 ms 344 KB Output is correct

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 740 KB Output is correct
2 Correct 129 ms 1740 KB Output is correct
3 Execution timed out 3093 ms 6856 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1178 ms 11168 KB Output is correct
2 Correct 247 ms 8788 KB Output is correct
3 Correct 286 ms 11508 KB Output is correct
4 Execution timed out 3066 ms 10864 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #4
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 2896 KB Output is correct
2 Execution timed out 3054 ms 3744 KB Time limit exceeded
3 Halted 0 ms 0 KB -