oj.uz

Submission #658823

# Submission time Handle Problem Language Result Execution time Memory
658823 2022-11-15T02:51:19 Z aebov T-Covering (eJOI19_covering) C++14
100 / 100
 472 ms 59216 KB 
#include <bits/stdc++.h>
using namespace std;
#define int int64_t
#define pb push_back
#define F first
#define S second
#define pii pair<int ,int>
#define all(a) a.begin(),a.end()
#define loop(i,s,e) for(int i=s;i<e;i++)
using namespace std;

const int N = (int)1e6 + 6;
int n, m, k, g[N], okt = 0;
vector<int> vc, adj[N];
int hx[] = {-1, 1, 0, 0};
int hy[] = {0, 0, 1, -1};
bool vis[N], ok[N];

bool valid(int i,int j){return (i >= 0 && i < n && j >= 0 && j < m);}
void dfs(int v){
	vis[v] = 1;
	if(!ok[v])vc.pb(g[v]);
	else okt ++;
	for(auto u : adj[v])if(!vis[u])dfs(u);
}
int32_t main(){
//	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> m;
	for(int i = 0; i < n; i ++)
		for(int j = 0; j < m;j ++){
			int v = i*m +j;
			cin >> g[v];
            ok[v] = vis[v] = 0;
		}
	cin >> k;
	int ans = 0;
	for(int i = 0; i < k; i ++){
		int x,y;cin >> x >> y;
		int v = x*m+y;
	//	cout << "V : " << v << endl;
		ok[v] = 1, ans += g[v];
		for(int r = 0;r < 4 ;r ++){
          	int xx = x + hx[r], yy = y + hy[r];
            if (!valid(xx, yy)) continue;
            int u = xx*m + yy;
          	adj[v].pb(u);
            adj[u].pb(v);
        }
	}
	for(int r = 0; r < n; r ++){
		for(int c = 0; c < m; c ++){
			int v = r*m+c;
            if(!vis[v] && ok[v]){
                okt=0;
                vc.clear();
                dfs(v);
                if(vc.size() < 3*okt){
                    cout << "No";
                    return 0;
                }
                sort(all(vc));
                loop(i,1,3*okt+1) ans+=vc[vc.size()-i];
            }
		}
	}
    cout << ans << "\n";
    return 0;
}

Compilation message

covering.cpp: In function 'int32_t main()':
covering.cpp:57:30: warning: comparison of integer expressions of different signedness: 'std::vector<long int>::size_type' {aka 'long unsigned int'} and 'int64_t' {aka 'long int'} [-Wsign-compare]
   57 |                 if(vc.size() < 3*okt){
      |                    ~~~~~~~~~~^~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23892 KB Output is correct
2 Correct 19 ms 24092 KB Output is correct
3 Correct 31 ms 24652 KB Output is correct
4 Correct 72 ms 26688 KB Output is correct
5 Correct 194 ms 33728 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23892 KB Output is correct
2 Correct 18 ms 24016 KB Output is correct
3 Correct 31 ms 24684 KB Output is correct
4 Correct 70 ms 26812 KB Output is correct
5 Correct 200 ms 33808 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23892 KB Output is correct
2 Correct 20 ms 24100 KB Output is correct
3 Correct 33 ms 24692 KB Output is correct
4 Correct 81 ms 26684 KB Output is correct
5 Correct 198 ms 33860 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 15 ms 23716 KB Output is correct
3 Correct 23 ms 24296 KB Output is correct
4 Correct 18 ms 24148 KB Output is correct
5 Correct 33 ms 24892 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23804 KB Output is correct
4 Correct 14 ms 23764 KB Output is correct
5 Correct 12 ms 23764 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23892 KB Output is correct
2 Correct 19 ms 24092 KB Output is correct
3 Correct 31 ms 24652 KB Output is correct
4 Correct 72 ms 26688 KB Output is correct
5 Correct 194 ms 33728 KB Output is correct
6 Correct 14 ms 23892 KB Output is correct
7 Correct 18 ms 24016 KB Output is correct
8 Correct 31 ms 24684 KB Output is correct
9 Correct 70 ms 26812 KB Output is correct
10 Correct 200 ms 33808 KB Output is correct
11 Correct 14 ms 23892 KB Output is correct
12 Correct 20 ms 24100 KB Output is correct
13 Correct 33 ms 24692 KB Output is correct
14 Correct 81 ms 26684 KB Output is correct
15 Correct 198 ms 33860 KB Output is correct
16 Correct 12 ms 23764 KB Output is correct
17 Correct 15 ms 23716 KB Output is correct
18 Correct 23 ms 24296 KB Output is correct
19 Correct 18 ms 24148 KB Output is correct
20 Correct 33 ms 24892 KB Output is correct
21 Correct 14 ms 23860 KB Output is correct
22 Correct 20 ms 24064 KB Output is correct
23 Correct 30 ms 24800 KB Output is correct
24 Correct 68 ms 26804 KB Output is correct
25 Correct 198 ms 33616 KB Output is correct

Subtask #7
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23892 KB Output is correct
2 Correct 19 ms 24092 KB Output is correct
3 Correct 31 ms 24652 KB Output is correct
4 Correct 72 ms 26688 KB Output is correct
5 Correct 194 ms 33728 KB Output is correct
6 Correct 14 ms 23892 KB Output is correct
7 Correct 18 ms 24016 KB Output is correct
8 Correct 31 ms 24684 KB Output is correct
9 Correct 70 ms 26812 KB Output is correct
10 Correct 200 ms 33808 KB Output is correct
11 Correct 14 ms 23892 KB Output is correct
12 Correct 20 ms 24100 KB Output is correct
13 Correct 33 ms 24692 KB Output is correct
14 Correct 81 ms 26684 KB Output is correct
15 Correct 198 ms 33860 KB Output is correct
16 Correct 12 ms 23764 KB Output is correct
17 Correct 15 ms 23716 KB Output is correct
18 Correct 23 ms 24296 KB Output is correct
19 Correct 18 ms 24148 KB Output is correct
20 Correct 33 ms 24892 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 12 ms 23764 KB Output is correct
23 Correct 12 ms 23804 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 12 ms 23764 KB Output is correct
26 Correct 14 ms 23860 KB Output is correct
27 Correct 20 ms 24064 KB Output is correct
28 Correct 30 ms 24800 KB Output is correct
29 Correct 68 ms 26804 KB Output is correct
30 Correct 198 ms 33616 KB Output is correct
31 Correct 472 ms 59216 KB Output is correct
32 Correct 232 ms 34736 KB Output is correct
33 Correct 212 ms 35776 KB Output is correct
34 Correct 210 ms 34704 KB Output is correct
35 Correct 345 ms 45968 KB Output is correct