oj.uz

Submission #936031

# Submission time Handle Problem Language Result Execution time Memory
936031 2024-03-01T02:44:31 Z Regulus Zemljište (COCI22_zemljiste) C++17
70 / 70
 386 ms 6996 KB 
#include <bits/stdc++.h>
#define IO ios::sync_with_stdio(false);cin.tie(0);
#define debug(x) cerr << #x << " = " << (x) << ' '
#define bug(x) cerr << (x) << ' '
#define endl cerr << '\n'
#define all(v) (v).begin(), (v).end()
#define SZ(v) (ll)(v).size()
#define lowbit(x) (x)&-(x)
#define pb emplace_back
#define F first
#define S second
using namespace std;
using ll = long long;
using pll = pair<ll, ll>;
//#define TEST
const int N = 505;
const ll LLINF = 2e18;
ll a[N][N], sum[N], col[N][N];
 
int main(void)
{ IO
    ll n, i, m, L, R, ans = LLINF;
 
    cin >> n >> m >> L >> R;
    if (L > R) swap(L, R);
    for (i=1; i <= n; ++i)
        for (int j=1; j <= m; ++j)
            cin >> a[i][j], col[i][j] = col[i-1][j] + a[i][j];
 
    for (int lb=0; lb < n; ++lb)
    {
        for (int ub=lb+1; ub <= n; ++ub)
        {
            ll it = 0, it2 = 0;
            for (i=1; i <= m; ++i)
            {
                sum[i] = sum[i-1] + col[ub][i]-col[lb][i];

                while (it <= i && sum[i]-sum[it] >= L) ++it;
                while (it2 <= i && sum[i]-sum[it2] > R) ++it2;

                if (it != it2)
                {
                    ans = R - L;
                } else {
                    ll x = sum[i] - sum[it];
                    ans = min(ans, abs(L-x) + abs(R-x));
                    if (it != 0)
                    {
                        x = sum[i] - sum[it-1];
                        ans = min(ans, abs(L-x) + abs(R-x));
                    }
                }
            }
        }
    }
    
    cout << ans << '\n';
 
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2400 KB Output is correct
5 Correct 1 ms 2400 KB Output is correct
6 Correct 1 ms 2400 KB Output is correct
7 Correct 1 ms 2404 KB Output is correct
8 Correct 1 ms 2404 KB Output is correct
9 Correct 1 ms 2404 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2400 KB Output is correct
5 Correct 1 ms 2400 KB Output is correct
6 Correct 1 ms 2400 KB Output is correct
7 Correct 1 ms 2404 KB Output is correct
8 Correct 1 ms 2404 KB Output is correct
9 Correct 1 ms 2404 KB Output is correct
10 Correct 2 ms 2660 KB Output is correct
11 Correct 4 ms 2916 KB Output is correct
12 Correct 4 ms 2916 KB Output is correct
13 Correct 4 ms 2968 KB Output is correct
14 Correct 1 ms 2404 KB Output is correct
15 Correct 5 ms 2916 KB Output is correct
16 Correct 4 ms 2916 KB Output is correct
17 Correct 4 ms 2788 KB Output is correct
18 Correct 3 ms 2704 KB Output is correct
19 Correct 3 ms 2916 KB Output is correct
20 Correct 4 ms 2916 KB Output is correct
21 Correct 3 ms 2660 KB Output is correct
22 Correct 3 ms 2916 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2400 KB Output is correct
5 Correct 1 ms 2400 KB Output is correct
6 Correct 1 ms 2400 KB Output is correct
7 Correct 1 ms 2404 KB Output is correct
8 Correct 1 ms 2404 KB Output is correct
9 Correct 1 ms 2404 KB Output is correct
10 Correct 2 ms 2660 KB Output is correct
11 Correct 4 ms 2916 KB Output is correct
12 Correct 4 ms 2916 KB Output is correct
13 Correct 4 ms 2968 KB Output is correct
14 Correct 1 ms 2404 KB Output is correct
15 Correct 5 ms 2916 KB Output is correct
16 Correct 4 ms 2916 KB Output is correct
17 Correct 4 ms 2788 KB Output is correct
18 Correct 3 ms 2704 KB Output is correct
19 Correct 3 ms 2916 KB Output is correct
20 Correct 4 ms 2916 KB Output is correct
21 Correct 3 ms 2660 KB Output is correct
22 Correct 3 ms 2916 KB Output is correct
23 Correct 346 ms 5960 KB Output is correct
24 Correct 347 ms 6748 KB Output is correct
25 Correct 337 ms 6748 KB Output is correct
26 Correct 347 ms 6840 KB Output is correct
27 Correct 232 ms 6004 KB Output is correct
28 Correct 341 ms 6708 KB Output is correct
29 Correct 357 ms 6840 KB Output is correct
30 Correct 360 ms 6740 KB Output is correct
31 Correct 51 ms 4700 KB Output is correct
32 Correct 350 ms 6840 KB Output is correct
33 Correct 379 ms 6996 KB Output is correct
34 Correct 338 ms 6840 KB Output is correct
35 Correct 336 ms 6784 KB Output is correct
36 Correct 339 ms 6840 KB Output is correct
37 Correct 351 ms 6840 KB Output is correct
38 Correct 386 ms 6844 KB Output is correct
39 Correct 340 ms 6996 KB Output is correct
40 Correct 338 ms 6740 KB Output is correct
41 Correct 209 ms 5572 KB Output is correct
42 Correct 219 ms 5572 KB Output is correct
43 Correct 209 ms 5468 KB Output is correct
44 Correct 210 ms 5576 KB Output is correct