oj.uz

Submission #1068157

# Submission time Handle Problem Language Result Execution time Memory
1068157 2024-08-21T08:07:37 Z AdamGS Soccer Stadium (IOI23_soccer) C++17
70 / 100
 4500 ms 926844 KB 
#include "soccer.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=2e3+7;
unordered_map<ll,int>mp;
vector<int>P[LIM], pole;
vector<pair<int,int>>V[LIM*LIM*2];
int lewo[LIM], prawo[LIM], odw[LIM], lst[LIM], dp[LIM*LIM*2], czy[LIM*LIM*2], ile[LIM], akt, ans;
void DFS(int x) {
	czy[x]=1;
	for(auto i : V[x]) {
		if(!czy[i.st]) DFS(i.st);
		dp[x]=max(dp[x], dp[i.st]+i.nd);
	}
	ans=max(ans, dp[x]+pole[x]);
}
ll koduj(pair<pair<int,int>,pair<int,int>>x) {
	ll p=(ll)x.st.st; 
	p*=(ll)LIM;
	p+=(ll)x.st.nd;
	p*=(ll)LIM;
	p+=(ll)x.nd.st;
	p*=(ll)LIM;
	p+=(ll)x.nd.nd;
	return p;
}
int biggest_stadium(int n, vector<vector<int>>T) {
	pole.pb(0);
	rep(i, n) {
		rep(j, n) {
			++ile[j];
			if(T[i][j]) ile[j]=0;
		}
		rep(j, n+1) {
			P[j].clear();
			lewo[j]=prawo[j]=j;
			odw[j]=0;
			lst[j]=n;
		}
		rep(j, n) P[ile[j]].pb(j);
		for(int j=n; j; --j) for(auto l : P[j]) {
			vector<pair<pair<int,int>,pair<int,int>>>A;
			int a=l, b=l;
			if(l && odw[l-1]) {
				A.pb({{lewo[l-1], l-1}, {i, i-lst[l-1]+1}});
				a=lewo[l-1];
			}
			if(l+1<n && odw[l+1]) {
				A.pb({{l+1, prawo[l+1]}, {i, i-lst[l+1]+1}});
				b=prawo[l+1];
			}
			pair<pair<int,int>,pair<int,int>>x={{a, b}, {i, i-j+1}};
			if(!mp[koduj(x)]) {
				mp[koduj(x)]=++akt;
				pole.pb((x.st.nd-x.st.st+1)*(x.nd.st-x.nd.nd+1));
			}
			int k=mp[koduj(x)];
			for(auto c : A) V[k].pb({mp[koduj(c)], (c.st.nd-c.st.st+1)*(x.nd.nd-c.nd.nd)});	
			if(j>1) V[mp[koduj({{a, b}, {i-1, i-j+1}})]].pb({k, b-a+1});
			odw[l]=1;
			lewo[b]=a;
			prawo[a]=b;
			lst[a]=lst[b]=j;
		}
	}
	rep(i, n) ile[i]=0;
	for(int i=n-1; i>=0; --i) {
		rep(j, n) {
			++ile[j];
			if(T[i][j]) ile[j]=0;
		}
		rep(j, n+1) {
			P[j].clear();
			lewo[j]=prawo[j]=j;
			odw[j]=0;
			lst[j]=n;
		}
		rep(j, n) P[ile[j]].pb(j);
		for(int j=n; j; --j) for(auto l : P[j]) {
			vector<pair<pair<int,int>,pair<int,int>>>A;
			int a=l, b=l;
			if(l && odw[l-1]) {
				A.pb({{lewo[l-1], l-1}, {i+lst[l-1]-1, i}});
				a=lewo[l-1];
			}
			if(l+1<n && odw[l+1]) {
				A.pb({{l+1, prawo[l+1]}, {i+lst[l+1]-1, i}});
				b=prawo[l+1];
			}
			pair<pair<int,int>,pair<int,int>>x={{a, b}, {i+j-1, i}};
			if(!mp[koduj(x)]) {
				mp[koduj(x)]=++akt;
				pole.pb((x.st.nd-x.st.st+1)*(x.nd.st-x.nd.nd+1));
			}
			int k=mp[koduj(x)];
			for(auto c : A) {
				V[k].pb({mp[koduj(c)], (c.st.nd-c.st.st+1)*(c.nd.st-x.nd.st)});
			}
			odw[l]=1;
			lewo[b]=a;
			prawo[a]=b;
			lst[a]=lst[b]=j;
		}
	}
	rep(i, akt) if(!czy[i+1]) DFS(i+1);
	return ans;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 189520 KB ok

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 189524 KB ok
2 Correct 78 ms 189616 KB ok
3 Correct 76 ms 189520 KB ok
4 Correct 75 ms 189520 KB ok
5 Correct 78 ms 189676 KB ok
6 Correct 81 ms 189712 KB ok
7 Correct 84 ms 191404 KB ok
8 Correct 193 ms 235376 KB ok
9 Correct 2470 ms 926844 KB ok

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 189524 KB ok
2 Correct 78 ms 189616 KB ok
3 Correct 71 ms 189524 KB ok
4 Correct 75 ms 189520 KB ok
5 Correct 76 ms 189520 KB ok
6 Correct 73 ms 189520 KB ok
7 Correct 78 ms 189520 KB ok
8 Correct 78 ms 189524 KB ok
9 Correct 83 ms 189536 KB ok
10 Correct 79 ms 189648 KB ok
11 Correct 79 ms 189616 KB ok
12 Correct 83 ms 189528 KB ok
13 Correct 75 ms 189520 KB ok

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 189520 KB ok
2 Correct 84 ms 189524 KB ok
3 Correct 78 ms 189616 KB ok
4 Correct 71 ms 189524 KB ok
5 Correct 75 ms 189520 KB ok
6 Correct 76 ms 189520 KB ok
7 Correct 73 ms 189520 KB ok
8 Correct 78 ms 189520 KB ok
9 Correct 78 ms 189524 KB ok
10 Correct 83 ms 189536 KB ok
11 Correct 79 ms 189648 KB ok
12 Correct 79 ms 189616 KB ok
13 Correct 83 ms 189528 KB ok
14 Correct 75 ms 189520 KB ok
15 Correct 76 ms 189452 KB ok
16 Correct 79 ms 189536 KB ok
17 Correct 75 ms 189492 KB ok
18 Correct 73 ms 189588 KB ok
19 Correct 84 ms 189596 KB ok
20 Correct 77 ms 189580 KB ok
21 Correct 73 ms 189564 KB ok
22 Correct 86 ms 189524 KB ok
23 Correct 83 ms 189624 KB ok
24 Correct 96 ms 189612 KB ok
25 Correct 84 ms 189488 KB ok
26 Correct 78 ms 189512 KB ok

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 189520 KB ok
2 Correct 84 ms 189524 KB ok
3 Correct 78 ms 189616 KB ok
4 Correct 76 ms 189520 KB ok
5 Correct 75 ms 189520 KB ok
6 Correct 71 ms 189524 KB ok
7 Correct 75 ms 189520 KB ok
8 Correct 76 ms 189520 KB ok
9 Correct 73 ms 189520 KB ok
10 Correct 78 ms 189520 KB ok
11 Correct 78 ms 189524 KB ok
12 Correct 83 ms 189536 KB ok
13 Correct 79 ms 189648 KB ok
14 Correct 79 ms 189616 KB ok
15 Correct 83 ms 189528 KB ok
16 Correct 75 ms 189520 KB ok
17 Correct 76 ms 189452 KB ok
18 Correct 79 ms 189536 KB ok
19 Correct 75 ms 189492 KB ok
20 Correct 73 ms 189588 KB ok
21 Correct 84 ms 189596 KB ok
22 Correct 77 ms 189580 KB ok
23 Correct 73 ms 189564 KB ok
24 Correct 86 ms 189524 KB ok
25 Correct 83 ms 189624 KB ok
26 Correct 96 ms 189612 KB ok
27 Correct 84 ms 189488 KB ok
28 Correct 78 ms 189512 KB ok
29 Correct 79 ms 189484 KB ok
30 Correct 77 ms 189828 KB ok
31 Correct 92 ms 189780 KB ok
32 Correct 96 ms 189524 KB ok
33 Correct 78 ms 189560 KB ok
34 Correct 79 ms 189560 KB ok
35 Correct 100 ms 189612 KB ok
36 Correct 97 ms 189524 KB ok
37 Correct 77 ms 189704 KB ok
38 Correct 73 ms 189716 KB ok
39 Correct 89 ms 189520 KB ok
40 Correct 80 ms 189596 KB ok
41 Correct 81 ms 189712 KB ok

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 189520 KB ok
2 Correct 84 ms 189524 KB ok
3 Correct 78 ms 189616 KB ok
4 Correct 76 ms 189520 KB ok
5 Correct 75 ms 189520 KB ok
6 Correct 71 ms 189524 KB ok
7 Correct 75 ms 189520 KB ok
8 Correct 76 ms 189520 KB ok
9 Correct 73 ms 189520 KB ok
10 Correct 78 ms 189520 KB ok
11 Correct 78 ms 189524 KB ok
12 Correct 83 ms 189536 KB ok
13 Correct 79 ms 189648 KB ok
14 Correct 79 ms 189616 KB ok
15 Correct 83 ms 189528 KB ok
16 Correct 75 ms 189520 KB ok
17 Correct 76 ms 189452 KB ok
18 Correct 79 ms 189536 KB ok
19 Correct 75 ms 189492 KB ok
20 Correct 73 ms 189588 KB ok
21 Correct 84 ms 189596 KB ok
22 Correct 77 ms 189580 KB ok
23 Correct 73 ms 189564 KB ok
24 Correct 86 ms 189524 KB ok
25 Correct 83 ms 189624 KB ok
26 Correct 96 ms 189612 KB ok
27 Correct 84 ms 189488 KB ok
28 Correct 78 ms 189512 KB ok
29 Correct 79 ms 189484 KB ok
30 Correct 77 ms 189828 KB ok
31 Correct 92 ms 189780 KB ok
32 Correct 96 ms 189524 KB ok
33 Correct 78 ms 189560 KB ok
34 Correct 79 ms 189560 KB ok
35 Correct 100 ms 189612 KB ok
36 Correct 97 ms 189524 KB ok
37 Correct 77 ms 189704 KB ok
38 Correct 73 ms 189716 KB ok
39 Correct 89 ms 189520 KB ok
40 Correct 80 ms 189596 KB ok
41 Correct 81 ms 189712 KB ok
42 Correct 320 ms 226604 KB ok
43 Correct 259 ms 221528 KB ok
44 Correct 344 ms 232492 KB ok
45 Correct 360 ms 233360 KB ok
46 Correct 324 ms 230016 KB ok
47 Correct 230 ms 235284 KB ok
48 Correct 171 ms 212716 KB ok
49 Correct 176 ms 214396 KB ok
50 Correct 172 ms 214768 KB ok
51 Correct 296 ms 229928 KB ok
52 Correct 107 ms 197336 KB ok
53 Correct 96 ms 193988 KB ok
54 Correct 107 ms 197008 KB ok
55 Correct 113 ms 201024 KB ok
56 Correct 142 ms 209696 KB ok
57 Correct 247 ms 235044 KB ok
58 Correct 258 ms 234580 KB ok
59 Correct 231 ms 234532 KB ok

Subtask #6
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 189520 KB ok
2 Correct 84 ms 189524 KB ok
3 Correct 78 ms 189616 KB ok
4 Correct 76 ms 189520 KB ok
5 Correct 75 ms 189520 KB ok
6 Correct 78 ms 189676 KB ok
7 Correct 81 ms 189712 KB ok
8 Correct 84 ms 191404 KB ok
9 Correct 193 ms 235376 KB ok
10 Correct 2470 ms 926844 KB ok
11 Correct 71 ms 189524 KB ok
12 Correct 75 ms 189520 KB ok
13 Correct 76 ms 189520 KB ok
14 Correct 73 ms 189520 KB ok
15 Correct 78 ms 189520 KB ok
16 Correct 78 ms 189524 KB ok
17 Correct 83 ms 189536 KB ok
18 Correct 79 ms 189648 KB ok
19 Correct 79 ms 189616 KB ok
20 Correct 83 ms 189528 KB ok
21 Correct 75 ms 189520 KB ok
22 Correct 76 ms 189452 KB ok
23 Correct 79 ms 189536 KB ok
24 Correct 75 ms 189492 KB ok
25 Correct 73 ms 189588 KB ok
26 Correct 84 ms 189596 KB ok
27 Correct 77 ms 189580 KB ok
28 Correct 73 ms 189564 KB ok
29 Correct 86 ms 189524 KB ok
30 Correct 83 ms 189624 KB ok
31 Correct 96 ms 189612 KB ok
32 Correct 84 ms 189488 KB ok
33 Correct 78 ms 189512 KB ok
34 Correct 79 ms 189484 KB ok
35 Correct 77 ms 189828 KB ok
36 Correct 92 ms 189780 KB ok
37 Correct 96 ms 189524 KB ok
38 Correct 78 ms 189560 KB ok
39 Correct 79 ms 189560 KB ok
40 Correct 100 ms 189612 KB ok
41 Correct 97 ms 189524 KB ok
42 Correct 77 ms 189704 KB ok
43 Correct 73 ms 189716 KB ok
44 Correct 89 ms 189520 KB ok
45 Correct 80 ms 189596 KB ok
46 Correct 81 ms 189712 KB ok
47 Correct 320 ms 226604 KB ok
48 Correct 259 ms 221528 KB ok
49 Correct 344 ms 232492 KB ok
50 Correct 360 ms 233360 KB ok
51 Correct 324 ms 230016 KB ok
52 Correct 230 ms 235284 KB ok
53 Correct 171 ms 212716 KB ok
54 Correct 176 ms 214396 KB ok
55 Correct 172 ms 214768 KB ok
56 Correct 296 ms 229928 KB ok
57 Correct 107 ms 197336 KB ok
58 Correct 96 ms 193988 KB ok
59 Correct 107 ms 197008 KB ok
60 Correct 113 ms 201024 KB ok
61 Correct 142 ms 209696 KB ok
62 Correct 247 ms 235044 KB ok
63 Correct 258 ms 234580 KB ok
64 Correct 231 ms 234532 KB ok
65 Execution timed out 4586 ms 725760 KB Time limit exceeded
66 Halted 0 ms 0 KB -