oj.uz

Submission #955138

# Submission time Handle Problem Language Result Execution time Memory
955138 2024-03-29T13:09:20 Z edogawa_something Cultivation (JOI17_cultivation) C++17
30 / 100
 95 ms 856 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vii;
typedef pair<ll,ll> pii;
#define F first
#define S second
#define pb push_back
#define eb emplace_back
#define all(v) v.begin(),v.end()
#define pow poww
const ll M=5e5+10;
const ll inf=2e18;
const ll mod=1e9+7;
ll pow(ll x,ll y){
  ll res=1;
  x%=mod; 
  while(y>0){
    if((y&1))
    res*=x,res%=mod;
    x*=x,x%=mod;
    y=(y>>1);
  }
  return res;
}
ll r,c,n;
pii a[M];
bool ck[41];
vii v,vv[41];
void chk(ll x,ll y,ll s){
  if(v.empty())
  return;
  sort(all(v));
  memset(ck,0,sizeof(ck));
  for(auto it:v){
    ll z=it;
    for(int i=0;i<=x;i++){
      if(z<0)
      break;
      ck[z]=1;
      z--;
    }
    z=it;
    for(int i=0;i<=y;i++){
      if(z>r)
      break;
      ck[z]=1;
      z++;
    }
  }
  for(int i=1;i<=r;i++){
    if(ck[i])
    vv[i].pb(s);
  }
}
ll solve(ll x,ll y){
  v.clear();
  for(int i=1;i<=r;i++)
  vv[i].clear();
  for(int i=0;i<n;i++){
    if(i==0)
    v.pb(a[i].F);
    if(i>0){
    if(a[i].S==a[i-1].S){
      v.pb(a[i].F);
    }
    else{
      chk(x,y,a[i-1].S);
      v.clear();
      v.pb(a[i].F);
    }
    }
  }
  chk(x,y,a[n-1].S);
  ll w=0,e=0,ov=0;
  for(int i=1;i<=r;i++){
    if(vv[i].empty())
    return inf;
    w=max(w,vv[i][0]-1);
    e=max(e,c-vv[i].back());
    for(int j=1;j<vv[i].size();j++){
      ov=max(ov,vv[i][j]-vv[i][j-1]-1);
    }
  }
  return max(ov,e+w);
}
int main(){
  ios_base::sync_with_stdio(0),cin.tie(0);
  int TC=1;
  //cin>>TC;
  while(TC--){
    cin>>r>>c>>n;
    for(int i=0;i<n;i++){
      cin>>a[i].S>>a[i].F;
    }
    sort(a,a+n);
    for(int i=0;i<n;i++)
    swap(a[i].F,a[i].S);
    ll ans=inf;
    for(ll i=0;i<=50;i++){
      for(ll j=0;j<=50;j++){
        ans=min(ans,solve(i,j)+i+j);
      }
    }
    cout<<ans<<'\n';
  }
  return 0;
}
/*
 
*/

Compilation message

cultivation.cpp: In function 'll solve(ll, ll)':
cultivation.cpp:81:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |     for(int j=1;j<vv[i].size();j++){
      |                 ~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 472 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 472 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 2 ms 348 KB Output is correct
18 Correct 8 ms 348 KB Output is correct
19 Correct 7 ms 348 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 11 ms 348 KB Output is correct
22 Correct 20 ms 348 KB Output is correct
23 Correct 10 ms 348 KB Output is correct
24 Correct 29 ms 484 KB Output is correct
25 Correct 22 ms 344 KB Output is correct
26 Correct 36 ms 348 KB Output is correct
27 Correct 35 ms 348 KB Output is correct
28 Correct 26 ms 348 KB Output is correct
29 Correct 33 ms 348 KB Output is correct
30 Correct 36 ms 348 KB Output is correct
31 Correct 36 ms 344 KB Output is correct
32 Correct 35 ms 344 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 472 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 2 ms 348 KB Output is correct
18 Correct 8 ms 348 KB Output is correct
19 Correct 7 ms 348 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 11 ms 348 KB Output is correct
22 Correct 20 ms 348 KB Output is correct
23 Correct 10 ms 348 KB Output is correct
24 Correct 29 ms 484 KB Output is correct
25 Correct 22 ms 344 KB Output is correct
26 Correct 36 ms 348 KB Output is correct
27 Correct 35 ms 348 KB Output is correct
28 Correct 26 ms 348 KB Output is correct
29 Correct 33 ms 348 KB Output is correct
30 Correct 36 ms 348 KB Output is correct
31 Correct 36 ms 344 KB Output is correct
32 Correct 35 ms 344 KB Output is correct
33 Correct 17 ms 348 KB Output is correct
34 Correct 92 ms 856 KB Output is correct
35 Correct 78 ms 572 KB Output is correct
36 Correct 90 ms 648 KB Output is correct
37 Correct 82 ms 604 KB Output is correct
38 Correct 95 ms 660 KB Output is correct
39 Correct 94 ms 656 KB Output is correct
40 Correct 92 ms 604 KB Output is correct
41 Correct 78 ms 572 KB Output is correct
42 Correct 71 ms 568 KB Output is correct
43 Correct 95 ms 636 KB Output is correct
44 Correct 70 ms 348 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 472 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 2 ms 348 KB Output is correct
18 Correct 8 ms 348 KB Output is correct
19 Correct 7 ms 348 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 11 ms 348 KB Output is correct
22 Correct 20 ms 348 KB Output is correct
23 Correct 10 ms 348 KB Output is correct
24 Correct 29 ms 484 KB Output is correct
25 Correct 22 ms 344 KB Output is correct
26 Correct 36 ms 348 KB Output is correct
27 Correct 35 ms 348 KB Output is correct
28 Correct 26 ms 348 KB Output is correct
29 Correct 33 ms 348 KB Output is correct
30 Correct 36 ms 348 KB Output is correct
31 Correct 36 ms 344 KB Output is correct
32 Correct 35 ms 344 KB Output is correct
33 Correct 17 ms 348 KB Output is correct
34 Correct 92 ms 856 KB Output is correct
35 Correct 78 ms 572 KB Output is correct
36 Correct 90 ms 648 KB Output is correct
37 Correct 82 ms 604 KB Output is correct
38 Correct 95 ms 660 KB Output is correct
39 Correct 94 ms 656 KB Output is correct
40 Correct 92 ms 604 KB Output is correct
41 Correct 78 ms 572 KB Output is correct
42 Correct 71 ms 568 KB Output is correct
43 Correct 95 ms 636 KB Output is correct
44 Correct 70 ms 348 KB Output is correct
45 Runtime error 1 ms 600 KB Execution killed with signal 11
46 Halted 0 ms 0 KB -