#include <bits/stdc++.h>
using namespace std;
#define ALL(x) x.begin(),x.end()
#define SIZE(x) (int)x.size()
#define forsn(i,s,n) for(int i=int(s);i<int(n);i++)
#define forn(i,n) for(int i=0;i<int(n);i++)
#define dforsn(i,s,n) for(int i=int(n)-1;i>=int(s);i--)
#define dforn(i,n) for(int i=int(n)-1;i>=0;i--)
#define fst first
#define snd second
typedef long long ll;
typedef pair<int,int> ii;
const int MAXN = 500;
int f[MAXN][MAXN];
pair<ll,ii> dp[MAXN][MAXN][MAXN];
int n;
int left(int i, int p) {
dforn(j,p+1) if(f[i][j]==1) return j;
return -1;
}
int right(int i, int p) {
forsn(j,p,n) if(f[i][j]==1) return j;
return n;
}
pair<ll,ii> solve(int l, int r, int p) {
if(l>r) return {0LL,{-1,n}};
if(dp[l][r][p].fst!=-1) return dp[l][r][p];
auto calculate = [&](pair<int,ii> prev, int i) {
auto [val,range] = prev;
int mini = max(range.fst, left(i,p)), maxi = min(range.snd, right(i,p));
return (pair<ll,ii>){val+max(maxi-mini-1,0),{mini,maxi}};
};
return dp[l][r][p] = max(calculate(solve(l+1,r,p),l),
calculate(solve(l,r-1,p),r));
}
int biggest_stadium(int N, vector<vector<int>> F) {
n=N;
forn(i,n) forn(j,n) {
f[i][j]=F[i][j];
}
forn(i,n) forn(j,n) forn(k,n) {
dp[i][j][k].fst = -1;
}
ll ans = 0LL;
forn(i,n) {
ll curr = solve(0,n-1,i).fst;
ans=max(ans,curr);
}
return int(ans);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
10588 KB |
ok |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
ok |
2 |
Correct |
1 ms |
6492 KB |
ok |
3 |
Correct |
3 ms |
18780 KB |
ok |
4 |
Correct |
4 ms |
20828 KB |
ok |
5 |
Correct |
1 ms |
2396 KB |
ok |
6 |
Correct |
1 ms |
6492 KB |
ok |
7 |
Correct |
101 ms |
285780 KB |
ok |
8 |
Execution timed out |
4689 ms |
1960180 KB |
Time limit exceeded |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
ok |
2 |
Correct |
1 ms |
6492 KB |
ok |
3 |
Correct |
1 ms |
6488 KB |
ok |
4 |
Correct |
2 ms |
6488 KB |
ok |
5 |
Correct |
1 ms |
6500 KB |
ok |
6 |
Correct |
1 ms |
6492 KB |
ok |
7 |
Correct |
2 ms |
6492 KB |
ok |
8 |
Correct |
2 ms |
6488 KB |
ok |
9 |
Correct |
1 ms |
6496 KB |
ok |
10 |
Correct |
2 ms |
6744 KB |
ok |
11 |
Correct |
1 ms |
6492 KB |
ok |
12 |
Correct |
1 ms |
6496 KB |
ok |
13 |
Correct |
1 ms |
6596 KB |
ok |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
10588 KB |
ok |
2 |
Correct |
1 ms |
6492 KB |
ok |
3 |
Correct |
1 ms |
6492 KB |
ok |
4 |
Correct |
1 ms |
6488 KB |
ok |
5 |
Correct |
2 ms |
6488 KB |
ok |
6 |
Correct |
1 ms |
6500 KB |
ok |
7 |
Correct |
1 ms |
6492 KB |
ok |
8 |
Correct |
2 ms |
6492 KB |
ok |
9 |
Correct |
2 ms |
6488 KB |
ok |
10 |
Correct |
1 ms |
6496 KB |
ok |
11 |
Correct |
2 ms |
6744 KB |
ok |
12 |
Correct |
1 ms |
6492 KB |
ok |
13 |
Correct |
1 ms |
6496 KB |
ok |
14 |
Correct |
1 ms |
6596 KB |
ok |
15 |
Correct |
2 ms |
14684 KB |
ok |
16 |
Correct |
2 ms |
14776 KB |
ok |
17 |
Correct |
3 ms |
14684 KB |
ok |
18 |
Correct |
3 ms |
14684 KB |
ok |
19 |
Correct |
3 ms |
14684 KB |
ok |
20 |
Correct |
3 ms |
14684 KB |
ok |
21 |
Correct |
3 ms |
14820 KB |
ok |
22 |
Correct |
3 ms |
14684 KB |
ok |
23 |
Correct |
3 ms |
14688 KB |
ok |
24 |
Correct |
3 ms |
14680 KB |
ok |
25 |
Correct |
3 ms |
14940 KB |
ok |
26 |
Correct |
3 ms |
14940 KB |
ok |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
10588 KB |
ok |
2 |
Correct |
1 ms |
6492 KB |
ok |
3 |
Correct |
1 ms |
6492 KB |
ok |
4 |
Correct |
3 ms |
18780 KB |
ok |
5 |
Correct |
4 ms |
20828 KB |
ok |
6 |
Correct |
1 ms |
6488 KB |
ok |
7 |
Correct |
2 ms |
6488 KB |
ok |
8 |
Correct |
1 ms |
6500 KB |
ok |
9 |
Correct |
1 ms |
6492 KB |
ok |
10 |
Correct |
2 ms |
6492 KB |
ok |
11 |
Correct |
2 ms |
6488 KB |
ok |
12 |
Correct |
1 ms |
6496 KB |
ok |
13 |
Correct |
2 ms |
6744 KB |
ok |
14 |
Correct |
1 ms |
6492 KB |
ok |
15 |
Correct |
1 ms |
6496 KB |
ok |
16 |
Correct |
1 ms |
6596 KB |
ok |
17 |
Correct |
2 ms |
14684 KB |
ok |
18 |
Correct |
2 ms |
14776 KB |
ok |
19 |
Correct |
3 ms |
14684 KB |
ok |
20 |
Correct |
3 ms |
14684 KB |
ok |
21 |
Correct |
3 ms |
14684 KB |
ok |
22 |
Correct |
3 ms |
14684 KB |
ok |
23 |
Correct |
3 ms |
14820 KB |
ok |
24 |
Correct |
3 ms |
14684 KB |
ok |
25 |
Correct |
3 ms |
14688 KB |
ok |
26 |
Correct |
3 ms |
14680 KB |
ok |
27 |
Correct |
3 ms |
14940 KB |
ok |
28 |
Correct |
3 ms |
14940 KB |
ok |
29 |
Correct |
3 ms |
14680 KB |
ok |
30 |
Correct |
12 ms |
70244 KB |
ok |
31 |
Correct |
12 ms |
70236 KB |
ok |
32 |
Correct |
11 ms |
70236 KB |
ok |
33 |
Correct |
11 ms |
70088 KB |
ok |
34 |
Correct |
11 ms |
70260 KB |
ok |
35 |
Correct |
10 ms |
70236 KB |
ok |
36 |
Correct |
11 ms |
70320 KB |
ok |
37 |
Correct |
10 ms |
70236 KB |
ok |
38 |
Correct |
11 ms |
70404 KB |
ok |
39 |
Correct |
11 ms |
70236 KB |
ok |
40 |
Correct |
10 ms |
70236 KB |
ok |
41 |
Correct |
12 ms |
70292 KB |
ok |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
10588 KB |
ok |
2 |
Correct |
1 ms |
6492 KB |
ok |
3 |
Correct |
1 ms |
6492 KB |
ok |
4 |
Correct |
3 ms |
18780 KB |
ok |
5 |
Correct |
4 ms |
20828 KB |
ok |
6 |
Correct |
1 ms |
6488 KB |
ok |
7 |
Correct |
2 ms |
6488 KB |
ok |
8 |
Correct |
1 ms |
6500 KB |
ok |
9 |
Correct |
1 ms |
6492 KB |
ok |
10 |
Correct |
2 ms |
6492 KB |
ok |
11 |
Correct |
2 ms |
6488 KB |
ok |
12 |
Correct |
1 ms |
6496 KB |
ok |
13 |
Correct |
2 ms |
6744 KB |
ok |
14 |
Correct |
1 ms |
6492 KB |
ok |
15 |
Correct |
1 ms |
6496 KB |
ok |
16 |
Correct |
1 ms |
6596 KB |
ok |
17 |
Correct |
2 ms |
14684 KB |
ok |
18 |
Correct |
2 ms |
14776 KB |
ok |
19 |
Correct |
3 ms |
14684 KB |
ok |
20 |
Correct |
3 ms |
14684 KB |
ok |
21 |
Correct |
3 ms |
14684 KB |
ok |
22 |
Correct |
3 ms |
14684 KB |
ok |
23 |
Correct |
3 ms |
14820 KB |
ok |
24 |
Correct |
3 ms |
14684 KB |
ok |
25 |
Correct |
3 ms |
14688 KB |
ok |
26 |
Correct |
3 ms |
14680 KB |
ok |
27 |
Correct |
3 ms |
14940 KB |
ok |
28 |
Correct |
3 ms |
14940 KB |
ok |
29 |
Correct |
3 ms |
14680 KB |
ok |
30 |
Correct |
12 ms |
70244 KB |
ok |
31 |
Correct |
12 ms |
70236 KB |
ok |
32 |
Correct |
11 ms |
70236 KB |
ok |
33 |
Correct |
11 ms |
70088 KB |
ok |
34 |
Correct |
11 ms |
70260 KB |
ok |
35 |
Correct |
10 ms |
70236 KB |
ok |
36 |
Correct |
11 ms |
70320 KB |
ok |
37 |
Correct |
10 ms |
70236 KB |
ok |
38 |
Correct |
11 ms |
70404 KB |
ok |
39 |
Correct |
11 ms |
70236 KB |
ok |
40 |
Correct |
10 ms |
70236 KB |
ok |
41 |
Correct |
12 ms |
70292 KB |
ok |
42 |
Execution timed out |
4680 ms |
1960200 KB |
Time limit exceeded |
43 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
10588 KB |
ok |
2 |
Correct |
1 ms |
6492 KB |
ok |
3 |
Correct |
1 ms |
6492 KB |
ok |
4 |
Correct |
3 ms |
18780 KB |
ok |
5 |
Correct |
4 ms |
20828 KB |
ok |
6 |
Correct |
1 ms |
2396 KB |
ok |
7 |
Correct |
1 ms |
6492 KB |
ok |
8 |
Correct |
101 ms |
285780 KB |
ok |
9 |
Execution timed out |
4689 ms |
1960180 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |