oj.uz

Submission #108424

# Submission time Handle Problem Language Result Execution time Memory
108424 2019-04-29T09:32:33 Z mohammad_kilani Land of the Rainbow Gold (APIO17_rainbow) C++17
11 / 100
 3000 ms 142624 KB 
#include "rainbow.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 200010 * 8;
vector< pair<int,int> > arr , arr2, arr3;
vector < int > g[N];
int vis[N] , vi = 0;
int dr[8] = {0 , 1 , 0 , -1 , 1 , 1 , -1 , -1};
int dc[8] = {1 , 0 , -1 , 0 , 1 , -1, 1, -1};


int r1 , c1 , r2 , c2 , n , m;

inline bool in(int r,int c){
	return (r >= r1 && r <= r2 && c >= c1 && c <= c2);
}

void init(int R, int C, int sr, int sc, int M, char *S) {
	n = R , m = C;
	arr2.push_back(make_pair(sr,sc));
	for(int i = 0;i < M;i++){
		if(S[i] == 'N') sr--; else if(S[i] == 'S') sr++; else if(S[i] == 'E') sc++; else sc--;
			arr2.push_back(make_pair(sr,sc));
	}
	sort(arr2.begin(),arr2.end());
	arr2.resize(unique(arr2.begin(),arr2.end()) - arr2.begin());
}

void make_arr(vector< pair<int,int> > &arr2){
	arr.clear();
	int sr , sc , nr , nc, idx;
	for(int i = 0 ;i < (int)arr2.size();i++){
		sr = arr2[i].first;
		sc = arr2[i].second;
		for(int j = 0 ;j < 8 ;j++){
			nr = sr + dr[j];
			nc = sc + dc[j];
			if(in(nr,nc) && !binary_search(arr2.begin(),arr2.end() , make_pair(nr,nc))){
				arr.push_back(make_pair(nr,nc));
			}
		}
	}
	sort(arr.begin(),arr.end());
	arr.resize(unique(arr.begin(),arr.end()) - arr.begin());
	for(int i = 0 ; i < (int)arr.size();i++){
		g[i].clear();
		sr = arr[i].first;
		sc = arr[i].second;
		for(int j = 0 ;j < 4;j++){
			nr = sr + dr[j];
			nc = sc + dc[j];
			idx = lower_bound(arr.begin(),arr.end(),make_pair(nr , nc)) - arr.begin();
			if(idx != (int)arr.size() && arr[idx].first == nr && arr[idx].second == nc){
				g[i].push_back(idx);
			}
		}
	}

}

void DFS(int node){
	vis[node] = vi;
	for(int i = 0 ;i < (int)g[node].size();i++){
		if(vis[g[node][i]] == vi || !in(arr[g[node][i]].first,arr[g[node][i]].second)) continue;
		DFS(g[node][i]);
	}
}

int colour(int ar, int ac, int br, int bc) {
    int ans = 0;
    arr3 = arr2;
	r1 = 1 , r2 = n , c1 = 1 , c2 = m;
    for(int i = ar;i<=br;i++){
    	arr3.push_back(make_pair(i,ac - 1));
    	arr3.push_back(make_pair(i,bc + 1));
    }
    for(int i = ac;i<=bc;i++){
    	arr3.push_back(make_pair(ar - 1,i));
    	arr3.push_back(make_pair(br + 1,i));
    }
    sort(arr3.begin(),arr3.end());
    arr3.resize(unique(arr3.begin(),arr3.end()) - arr3.begin());
	make_arr(arr3);
	r1 = ar , c1 = ac , r2 = br , c2 = bc;
    vi++;
    for(int i = 0 ;i < (int)arr.size();i++){
    	if(vis[i] == vi || !in(arr[i].first,arr[i].second)) continue;
    	DFS(i);
    	ans++;
    }
    long long sz = (r2 - r1 + 1) * (c2 - c1 + 1);
    for(int i = 0 ;i < (int)arr2.size();i++){
    	if(in(arr2[i].first,arr2[i].second))
    		sz--;
    }
    if(ans == 0)
    	ans = 1;
    if(sz == 0)
    	ans = 0;
    return ans;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 194 ms 38100 KB Output is correct
2 Correct 898 ms 38084 KB Output is correct
3 Correct 309 ms 38000 KB Output is correct
4 Correct 358 ms 37880 KB Output is correct
5 Correct 912 ms 38068 KB Output is correct
6 Correct 39 ms 37880 KB Output is correct
7 Correct 35 ms 38036 KB Output is correct
8 Correct 34 ms 37852 KB Output is correct
9 Correct 34 ms 37920 KB Output is correct
10 Correct 40 ms 37880 KB Output is correct
11 Correct 385 ms 38008 KB Output is correct
12 Correct 568 ms 38092 KB Output is correct
13 Correct 1128 ms 38136 KB Output is correct
14 Correct 1231 ms 38008 KB Output is correct
15 Correct 38 ms 37880 KB Output is correct
16 Correct 36 ms 38008 KB Output is correct
17 Correct 33 ms 37920 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 38008 KB Output is correct
2 Correct 33 ms 37920 KB Output is correct
3 Execution timed out 3101 ms 69832 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 37880 KB Output is correct
2 Correct 712 ms 94464 KB Output is correct
3 Correct 754 ms 93948 KB Output is correct
4 Correct 596 ms 74992 KB Output is correct
5 Correct 362 ms 65668 KB Output is correct
6 Correct 892 ms 116212 KB Output is correct
7 Incorrect 1101 ms 142624 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 194 ms 38100 KB Output is correct
2 Correct 898 ms 38084 KB Output is correct
3 Correct 309 ms 38000 KB Output is correct
4 Correct 358 ms 37880 KB Output is correct
5 Correct 912 ms 38068 KB Output is correct
6 Correct 39 ms 37880 KB Output is correct
7 Correct 35 ms 38036 KB Output is correct
8 Correct 34 ms 37852 KB Output is correct
9 Correct 34 ms 37920 KB Output is correct
10 Correct 40 ms 37880 KB Output is correct
11 Correct 385 ms 38008 KB Output is correct
12 Correct 568 ms 38092 KB Output is correct
13 Correct 1128 ms 38136 KB Output is correct
14 Correct 1231 ms 38008 KB Output is correct
15 Correct 38 ms 37880 KB Output is correct
16 Correct 36 ms 38008 KB Output is correct
17 Correct 33 ms 37920 KB Output is correct
18 Execution timed out 3017 ms 45432 KB Time limit exceeded
19 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 194 ms 38100 KB Output is correct
2 Correct 898 ms 38084 KB Output is correct
3 Correct 309 ms 38000 KB Output is correct
4 Correct 358 ms 37880 KB Output is correct
5 Correct 912 ms 38068 KB Output is correct
6 Correct 39 ms 37880 KB Output is correct
7 Correct 35 ms 38036 KB Output is correct
8 Correct 34 ms 37852 KB Output is correct
9 Correct 34 ms 37920 KB Output is correct
10 Correct 40 ms 37880 KB Output is correct
11 Correct 385 ms 38008 KB Output is correct
12 Correct 568 ms 38092 KB Output is correct
13 Correct 1128 ms 38136 KB Output is correct
14 Correct 1231 ms 38008 KB Output is correct
15 Correct 38 ms 37880 KB Output is correct
16 Correct 36 ms 38008 KB Output is correct
17 Correct 33 ms 37920 KB Output is correct
18 Execution timed out 3017 ms 45432 KB Time limit exceeded
19 Halted 0 ms 0 KB -