#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define lft(x) x * 2
#define rgt(x) x * 2 + 1
#define tm hui_pizda
#define ft first
#define sd second
#define pb push_back
#define pf push_front
#define sz size()
#define cnt continue
#define m_p make_pair
#define fr(i, l, r) for(int i = l; i <= r; ++ i)
#define rf(i, r, l) for(int i = r; i >= l; -- i)
#pragma GCC optimize(-O3)
#pragma GCC optimize(Ofast)
#pragma GCC optimize("unroll-loops")
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using _set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long ll;
typedef long double ld;
typedef pair <ll, ll> pll;
typedef pair <int, int> pii;
typedef vector <int> vi;
typedef vector <ll> vl;
typedef vector <pii> vpi;
typedef vector <pll> vpl;
mt19937_64 rnd(time(NULL));
const ll N = 3100;
const ll mtrxN = 10;
const ll oo = 1e18 + 10;
//const ll oo = 228;
const ll B = 500;
const ll mod = 1e9 + 7;
struct mtrx{
ll m[mtrxN][mtrxN] = {};
};
mtrx mtrx_mult(mtrx a, mtrx b){
mtrx c;
fr(i, 0, mtrxN - 1){
fr(j, 0, mtrxN - 1){
ll sum = 0;
fr(x, 0, mtrxN - 1){
sum += a.m[i][x] * b.m[x][j];
sum %= mod;
}
c.m[i][j] = sum;
}
}
return c;
}
mtrx mtrx_pow(mtrx a, ll n){
mtrx res;
fr(i, 0, mtrxN - 1)fr(j, 0, mtrxN - 1)res.m[i][j] = a.m[i][j];
n --;
while(n){
if(n&1)res = mtrx_mult(res, a);
a = mtrx_mult(a, a);
n >>= 1;
}
return res;
}
ll _pow(ll a, ll n){
ll r = 1;
while(n){
if(n&1)r = r * a % mod;
a = a * a % mod;
n >>= 1;
}
return r;
}
ll div(ll x, ll y, ll md){
return x * _pow(y, md - 2) % md;
}
ll a[N], p[N], dp[N][N];
ll n;
int main(){
cin >> n;
fr(i, 1, n)cin >> a[i], p[i] = p[i - 1] + a[i];
fr(i, 1, n)fr(j, 1, n)dp[i][j] = oo;
fr(i, 1, n)dp[i][1] = p[i];
fr(i, 1, n - 1){
fr(j, 1, n - 1){
ll pos = lower_bound(p + 1, p + 1 + n, p[i] + dp[i][j]) - p;
fr(x, 0, 10)dp[pos + x][j + 1] = min(dp[pos + x][j + 1], p[pos + x] - p[i]);
}
}
ll ans = -1;
fr(i, 1, n)fr(j, 1, n)if(dp[i][j] != oo)ans = max(ans, (ll)j);
cout << ans;
return 0;
}
/*
9 1 0
000000000
*/
Compilation message
segments.cpp:17:22: warning: '#pragma GCC optimize' is not a string or number [-Wpragmas]
#pragma GCC optimize(-O3)
^
segments.cpp:18:22: warning: '#pragma GCC optimize' is not a string or number [-Wpragmas]
#pragma GCC optimize(Ofast)
^~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
508 KB |
Output is correct |
2 |
Correct |
6 ms |
504 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
504 KB |
Output is correct |
6 |
Correct |
3 ms |
508 KB |
Output is correct |
7 |
Correct |
2 ms |
504 KB |
Output is correct |
8 |
Correct |
3 ms |
504 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
3 ms |
580 KB |
Output is correct |
11 |
Correct |
3 ms |
504 KB |
Output is correct |
12 |
Correct |
6 ms |
504 KB |
Output is correct |
13 |
Correct |
7 ms |
528 KB |
Output is correct |
14 |
Correct |
3 ms |
504 KB |
Output is correct |
15 |
Correct |
3 ms |
504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
508 KB |
Output is correct |
2 |
Correct |
6 ms |
504 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
504 KB |
Output is correct |
6 |
Correct |
3 ms |
508 KB |
Output is correct |
7 |
Correct |
2 ms |
504 KB |
Output is correct |
8 |
Correct |
3 ms |
504 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
3 ms |
580 KB |
Output is correct |
11 |
Correct |
3 ms |
504 KB |
Output is correct |
12 |
Correct |
6 ms |
504 KB |
Output is correct |
13 |
Correct |
7 ms |
528 KB |
Output is correct |
14 |
Correct |
3 ms |
504 KB |
Output is correct |
15 |
Correct |
3 ms |
504 KB |
Output is correct |
16 |
Correct |
10 ms |
4348 KB |
Output is correct |
17 |
Correct |
13 ms |
4348 KB |
Output is correct |
18 |
Correct |
14 ms |
4344 KB |
Output is correct |
19 |
Correct |
14 ms |
4472 KB |
Output is correct |
20 |
Correct |
14 ms |
4472 KB |
Output is correct |
21 |
Correct |
14 ms |
4472 KB |
Output is correct |
22 |
Correct |
10 ms |
3192 KB |
Output is correct |
23 |
Correct |
8 ms |
2296 KB |
Output is correct |
24 |
Correct |
13 ms |
4344 KB |
Output is correct |
25 |
Correct |
14 ms |
4472 KB |
Output is correct |
26 |
Correct |
13 ms |
4344 KB |
Output is correct |
27 |
Correct |
13 ms |
4472 KB |
Output is correct |
28 |
Correct |
14 ms |
4472 KB |
Output is correct |
29 |
Correct |
13 ms |
4344 KB |
Output is correct |
30 |
Correct |
13 ms |
4472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
508 KB |
Output is correct |
2 |
Correct |
6 ms |
504 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
504 KB |
Output is correct |
6 |
Correct |
3 ms |
508 KB |
Output is correct |
7 |
Correct |
2 ms |
504 KB |
Output is correct |
8 |
Correct |
3 ms |
504 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
3 ms |
580 KB |
Output is correct |
11 |
Correct |
3 ms |
504 KB |
Output is correct |
12 |
Correct |
6 ms |
504 KB |
Output is correct |
13 |
Correct |
7 ms |
528 KB |
Output is correct |
14 |
Correct |
3 ms |
504 KB |
Output is correct |
15 |
Correct |
3 ms |
504 KB |
Output is correct |
16 |
Correct |
10 ms |
4348 KB |
Output is correct |
17 |
Correct |
13 ms |
4348 KB |
Output is correct |
18 |
Correct |
14 ms |
4344 KB |
Output is correct |
19 |
Correct |
14 ms |
4472 KB |
Output is correct |
20 |
Correct |
14 ms |
4472 KB |
Output is correct |
21 |
Correct |
14 ms |
4472 KB |
Output is correct |
22 |
Correct |
10 ms |
3192 KB |
Output is correct |
23 |
Correct |
8 ms |
2296 KB |
Output is correct |
24 |
Correct |
13 ms |
4344 KB |
Output is correct |
25 |
Correct |
14 ms |
4472 KB |
Output is correct |
26 |
Correct |
13 ms |
4344 KB |
Output is correct |
27 |
Correct |
13 ms |
4472 KB |
Output is correct |
28 |
Correct |
14 ms |
4472 KB |
Output is correct |
29 |
Correct |
13 ms |
4344 KB |
Output is correct |
30 |
Correct |
13 ms |
4472 KB |
Output is correct |
31 |
Correct |
372 ms |
73532 KB |
Output is correct |
32 |
Correct |
381 ms |
73576 KB |
Output is correct |
33 |
Correct |
371 ms |
73512 KB |
Output is correct |
34 |
Correct |
366 ms |
73464 KB |
Output is correct |
35 |
Correct |
362 ms |
73464 KB |
Output is correct |
36 |
Correct |
387 ms |
73520 KB |
Output is correct |
37 |
Correct |
267 ms |
59640 KB |
Output is correct |
38 |
Correct |
168 ms |
39928 KB |
Output is correct |
39 |
Correct |
372 ms |
73496 KB |
Output is correct |
40 |
Correct |
374 ms |
73512 KB |
Output is correct |
41 |
Correct |
353 ms |
73464 KB |
Output is correct |
42 |
Correct |
384 ms |
73492 KB |
Output is correct |
43 |
Correct |
369 ms |
73592 KB |
Output is correct |
44 |
Correct |
355 ms |
73592 KB |
Output is correct |
45 |
Correct |
358 ms |
73496 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
508 KB |
Output is correct |
2 |
Correct |
6 ms |
504 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
504 KB |
Output is correct |
6 |
Correct |
3 ms |
508 KB |
Output is correct |
7 |
Correct |
2 ms |
504 KB |
Output is correct |
8 |
Correct |
3 ms |
504 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
3 ms |
580 KB |
Output is correct |
11 |
Correct |
3 ms |
504 KB |
Output is correct |
12 |
Correct |
6 ms |
504 KB |
Output is correct |
13 |
Correct |
7 ms |
528 KB |
Output is correct |
14 |
Correct |
3 ms |
504 KB |
Output is correct |
15 |
Correct |
3 ms |
504 KB |
Output is correct |
16 |
Correct |
10 ms |
4348 KB |
Output is correct |
17 |
Correct |
13 ms |
4348 KB |
Output is correct |
18 |
Correct |
14 ms |
4344 KB |
Output is correct |
19 |
Correct |
14 ms |
4472 KB |
Output is correct |
20 |
Correct |
14 ms |
4472 KB |
Output is correct |
21 |
Correct |
14 ms |
4472 KB |
Output is correct |
22 |
Correct |
10 ms |
3192 KB |
Output is correct |
23 |
Correct |
8 ms |
2296 KB |
Output is correct |
24 |
Correct |
13 ms |
4344 KB |
Output is correct |
25 |
Correct |
14 ms |
4472 KB |
Output is correct |
26 |
Correct |
13 ms |
4344 KB |
Output is correct |
27 |
Correct |
13 ms |
4472 KB |
Output is correct |
28 |
Correct |
14 ms |
4472 KB |
Output is correct |
29 |
Correct |
13 ms |
4344 KB |
Output is correct |
30 |
Correct |
13 ms |
4472 KB |
Output is correct |
31 |
Correct |
372 ms |
73532 KB |
Output is correct |
32 |
Correct |
381 ms |
73576 KB |
Output is correct |
33 |
Correct |
371 ms |
73512 KB |
Output is correct |
34 |
Correct |
366 ms |
73464 KB |
Output is correct |
35 |
Correct |
362 ms |
73464 KB |
Output is correct |
36 |
Correct |
387 ms |
73520 KB |
Output is correct |
37 |
Correct |
267 ms |
59640 KB |
Output is correct |
38 |
Correct |
168 ms |
39928 KB |
Output is correct |
39 |
Correct |
372 ms |
73496 KB |
Output is correct |
40 |
Correct |
374 ms |
73512 KB |
Output is correct |
41 |
Correct |
353 ms |
73464 KB |
Output is correct |
42 |
Correct |
384 ms |
73492 KB |
Output is correct |
43 |
Correct |
369 ms |
73592 KB |
Output is correct |
44 |
Correct |
355 ms |
73592 KB |
Output is correct |
45 |
Correct |
358 ms |
73496 KB |
Output is correct |
46 |
Runtime error |
8 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
47 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
508 KB |
Output is correct |
2 |
Correct |
6 ms |
504 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
504 KB |
Output is correct |
6 |
Correct |
3 ms |
508 KB |
Output is correct |
7 |
Correct |
2 ms |
504 KB |
Output is correct |
8 |
Correct |
3 ms |
504 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
3 ms |
580 KB |
Output is correct |
11 |
Correct |
3 ms |
504 KB |
Output is correct |
12 |
Correct |
6 ms |
504 KB |
Output is correct |
13 |
Correct |
7 ms |
528 KB |
Output is correct |
14 |
Correct |
3 ms |
504 KB |
Output is correct |
15 |
Correct |
3 ms |
504 KB |
Output is correct |
16 |
Correct |
10 ms |
4348 KB |
Output is correct |
17 |
Correct |
13 ms |
4348 KB |
Output is correct |
18 |
Correct |
14 ms |
4344 KB |
Output is correct |
19 |
Correct |
14 ms |
4472 KB |
Output is correct |
20 |
Correct |
14 ms |
4472 KB |
Output is correct |
21 |
Correct |
14 ms |
4472 KB |
Output is correct |
22 |
Correct |
10 ms |
3192 KB |
Output is correct |
23 |
Correct |
8 ms |
2296 KB |
Output is correct |
24 |
Correct |
13 ms |
4344 KB |
Output is correct |
25 |
Correct |
14 ms |
4472 KB |
Output is correct |
26 |
Correct |
13 ms |
4344 KB |
Output is correct |
27 |
Correct |
13 ms |
4472 KB |
Output is correct |
28 |
Correct |
14 ms |
4472 KB |
Output is correct |
29 |
Correct |
13 ms |
4344 KB |
Output is correct |
30 |
Correct |
13 ms |
4472 KB |
Output is correct |
31 |
Correct |
372 ms |
73532 KB |
Output is correct |
32 |
Correct |
381 ms |
73576 KB |
Output is correct |
33 |
Correct |
371 ms |
73512 KB |
Output is correct |
34 |
Correct |
366 ms |
73464 KB |
Output is correct |
35 |
Correct |
362 ms |
73464 KB |
Output is correct |
36 |
Correct |
387 ms |
73520 KB |
Output is correct |
37 |
Correct |
267 ms |
59640 KB |
Output is correct |
38 |
Correct |
168 ms |
39928 KB |
Output is correct |
39 |
Correct |
372 ms |
73496 KB |
Output is correct |
40 |
Correct |
374 ms |
73512 KB |
Output is correct |
41 |
Correct |
353 ms |
73464 KB |
Output is correct |
42 |
Correct |
384 ms |
73492 KB |
Output is correct |
43 |
Correct |
369 ms |
73592 KB |
Output is correct |
44 |
Correct |
355 ms |
73592 KB |
Output is correct |
45 |
Correct |
358 ms |
73496 KB |
Output is correct |
46 |
Runtime error |
8 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
47 |
Halted |
0 ms |
0 KB |
- |