oj.uz

Submission #792214

# Submission time Handle Problem Language Result Execution time Memory
792214 2023-07-24T17:42:13 Z cig32 Zemljište (COCI22_zemljiste) C++17
70 / 70
 391 ms 4812 KB 
#pragma GCC optimize("Ofast")
#include "bits/stdc++.h"
using namespace std;
#define int long long
const int MAXN = 2e5 + 10;
const int MOD = 1e9 + 7;
mt19937_64 rng((int)std::chrono::steady_clock::now().time_since_epoch().count());
int rnd(int x, int y) {
  int u = uniform_int_distribution<int>(x, y)(rng); return u;
}
int bm(int b, int p) {
  if(p==0) return 1 % MOD;
  int r = bm(b, p >> 1);
  if(p&1) return (((r*r) % MOD) * b) % MOD;
  return (r*r) % MOD;
}
int inv(int b) { 
  return bm(b, MOD-2);
}
int fastlog(int x) {
  return (x == 0 ? -1 : 64 - __builtin_clzll(x) - 1);
}
void printcase(int i) { cout << "Case #" << i << ": "; }
int c[501][501];
int sum(int r1,int c1,int r2,int c2){
  return c[r2][c2]-c[r2][c1-1]-c[r1-1][c2]+c[r1-1][c1-1];
}
void solve(int tc) {
  int r,s,a,b;
  cin>>r>>s>>a>>b;
  for(int i=0;i<=r;i++)for(int j=0;j<=s;j++)c[i][j]=0;
  for(int i=1;i<=r;i++){
    for(int j=1;j<=s;j++){
      int x;
      cin>>x;
      c[i][j]=c[i-1][j]+c[i][j-1]-c[i-1][j-1]+x;
    }
  }
  if(a>b)swap(a,b);
  int ans=1e18;
  for(int u=1;u<=r;u++){
    for(int d=u;d<=r;d++){
      int j=0;
      for(int i=1;i<=s;i++){
        j=max(j,i);
        ans=min(ans,abs(a - sum(u,i,d,j)) + abs(b - sum(u,i,d,j)));
        while(j+1<=s && abs(a-sum(u,i,d,j+1))+abs(b-sum(u,i,d,j))<abs(a-sum(u,i,d,j))+abs(b-sum(u,i,d,j))){
          j++;
          ans=min(ans,abs(a-sum(u,i,d,j))+abs(b-sum(u,i,d,j)));
        }
      }
    }
  }
  cout<<ans<<"\n";
}
int32_t main() {
  ios::sync_with_stdio(0); cin.tie(0);
  int t = 1; //cin >> t;
  for(int i=1; i<=t; i++) solve(i);
}
// 勿忘初衷

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 328 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 328 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 4 ms 724 KB Output is correct
12 Correct 4 ms 724 KB Output is correct
13 Correct 4 ms 724 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 4 ms 728 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 4 ms 728 KB Output is correct
18 Correct 4 ms 728 KB Output is correct
19 Correct 4 ms 724 KB Output is correct
20 Correct 4 ms 768 KB Output is correct
21 Correct 5 ms 804 KB Output is correct
22 Correct 4 ms 724 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 328 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 4 ms 724 KB Output is correct
12 Correct 4 ms 724 KB Output is correct
13 Correct 4 ms 724 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 4 ms 728 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 4 ms 728 KB Output is correct
18 Correct 4 ms 728 KB Output is correct
19 Correct 4 ms 724 KB Output is correct
20 Correct 4 ms 768 KB Output is correct
21 Correct 5 ms 804 KB Output is correct
22 Correct 4 ms 724 KB Output is correct
23 Correct 335 ms 4696 KB Output is correct
24 Correct 329 ms 4692 KB Output is correct
25 Correct 329 ms 4812 KB Output is correct
26 Correct 320 ms 4692 KB Output is correct
27 Correct 219 ms 3920 KB Output is correct
28 Correct 330 ms 4692 KB Output is correct
29 Correct 323 ms 4692 KB Output is correct
30 Correct 315 ms 4704 KB Output is correct
31 Correct 43 ms 2392 KB Output is correct
32 Correct 326 ms 4692 KB Output is correct
33 Correct 355 ms 4704 KB Output is correct
34 Correct 322 ms 4692 KB Output is correct
35 Correct 318 ms 4692 KB Output is correct
36 Correct 316 ms 4688 KB Output is correct
37 Correct 338 ms 4692 KB Output is correct
38 Correct 326 ms 4696 KB Output is correct
39 Correct 320 ms 4812 KB Output is correct
40 Correct 333 ms 4692 KB Output is correct
41 Correct 391 ms 3428 KB Output is correct
42 Correct 340 ms 3428 KB Output is correct
43 Correct 372 ms 3432 KB Output is correct
44 Correct 336 ms 3424 KB Output is correct