oj.uz

Submission #900268

# Submission time Handle Problem Language Result Execution time Memory
900268 2024-01-08T03:24:50 Z Maite_Morale The Kingdom of JOIOI (JOI17_joioi) C++14
60 / 100
 2721 ms 262144 KB 
#include<bits/stdc++.h>
#define F first
#define S second
#define MAX 2005
#define oo 1e18
#define mod 1000000007
#define fast_in ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);cout.setf(ios::fixed);cout.precision(0);
using namespace std;
typedef long long ll;
#define pll pair<ll , ll>
#define vll vector<ll>
#define vvll vector<vll>
#define vpll vector<pll>
 
ll tmn[5][MAX][MAX],tmx[5][MAX][MAX],n,a[MAX][MAX],m;
vll v;
map<ll,ll> mp;
ll OK(ll y,ll z){
    ll x=v[y],cl=-1,mx=0,mn=oo;
    for(int i=0;i<n;i++){
        while(cl!=m && tmn[0][i][cl+1]<x)cl++;
        if(cl!=-1)mx=max(mx,tmx[1][i][cl]);
    }
    mn=min(mn,mx);cl=m;mx=0;
    for(int i=0;i<n;i++){
        while(cl-1>=0 && tmn[1][i][cl-1]<x)cl--;
        if(cl!=-1)mx=max(mx,tmx[0][i][cl]);
    }
    mn=min(mn,mx);cl=-1;mx=0;
    for(int i=n-1;i>=0;i--){
        while(cl!=m && tmn[0][i][cl+1]<x)cl++;
        if(cl!=-1)mx=max(mx,tmx[1][i][cl]);
    }
    mn=min(mn,mx);cl=m;mx=0;
    for(int i=n-1;i>=0;i--){
        while(cl-1>=0 && tmn[1][i][cl-1]<x)cl--;
        if(cl!=-1)mx=max(mx,tmx[0][i][cl]);
    }
    mn=min(mn,mx);
    if(z==1)return max(abs(v[0]-mn),abs(v.back()-v[y]));
    if(abs(v[0]-mn)<=abs(v.back()-v[y]))return 1;
return 0; 
}
int main(){
    fast_in
    cin>>n>>m;
    for(int i=0;i<n;i++){
        tmn[0][i][m]=tmn[1][i][0]=oo;
        for(int j=0;j<m;j++){
            cin>>a[i][j];
            if(mp[a[i][j]]==0){
                mp[a[i][j]]=1;
                v.push_back(a[i][j]);
            }
            tmx[1][i][j]=max(tmx[1][i][j],a[i][j]);
            tmx[1][i][j+1]=tmx[1][i][j];
            tmn[1][i][j]=min(tmn[1][i][j],a[i][j]);
            tmn[1][i][j+1]=tmn[1][i][j];
        }
        for(int j=m-1;j>=0;j--){
            tmx[0][i][j]=max(tmx[0][i][j+1],a[i][j]);
            tmn[0][i][j]=min(tmn[0][i][j+1],a[i][j]);
        }
    }
    sort(v.begin(),v.end());
    ll p=-1,f=v.size();
    while(abs(f-p)!=1){
        ll md=(p+f)/2;                     
        if(OK(md,0)==1)p=md;
        else             f=md;           
    }                                          
    if(f==v.size()){cout<<OK(p,1);return 0;}
    cout<<min(OK(p,1),OK(f,1));
return 0;
}

Compilation message

joioi.cpp: In function 'int main()':
joioi.cpp:72:9: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |     if(f==v.size()){cout<<OK(p,1);return 0;}
      |        ~^~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6612 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6744 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6608 KB Output is correct
10 Correct 2 ms 6488 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6612 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6744 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6608 KB Output is correct
10 Correct 2 ms 6488 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 2 ms 8792 KB Output is correct
16 Correct 5 ms 18508 KB Output is correct
17 Correct 20 ms 21460 KB Output is correct
18 Correct 20 ms 21388 KB Output is correct
19 Correct 20 ms 21708 KB Output is correct
20 Correct 18 ms 20952 KB Output is correct
21 Correct 21 ms 21712 KB Output is correct
22 Correct 20 ms 21708 KB Output is correct
23 Correct 21 ms 21708 KB Output is correct
24 Correct 18 ms 21220 KB Output is correct
25 Correct 21 ms 21716 KB Output is correct
26 Correct 21 ms 21656 KB Output is correct
27 Correct 21 ms 21708 KB Output is correct
28 Correct 21 ms 21636 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6612 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6744 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6608 KB Output is correct
10 Correct 2 ms 6488 KB Output is correct
11 Correct 1 ms 6488 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 2 ms 8792 KB Output is correct
16 Correct 5 ms 18508 KB Output is correct
17 Correct 20 ms 21460 KB Output is correct
18 Correct 20 ms 21388 KB Output is correct
19 Correct 20 ms 21708 KB Output is correct
20 Correct 18 ms 20952 KB Output is correct
21 Correct 21 ms 21712 KB Output is correct
22 Correct 20 ms 21708 KB Output is correct
23 Correct 21 ms 21708 KB Output is correct
24 Correct 18 ms 21220 KB Output is correct
25 Correct 21 ms 21716 KB Output is correct
26 Correct 21 ms 21656 KB Output is correct
27 Correct 21 ms 21708 KB Output is correct
28 Correct 21 ms 21636 KB Output is correct
29 Correct 1036 ms 175048 KB Output is correct
30 Correct 1008 ms 178732 KB Output is correct
31 Correct 1071 ms 179328 KB Output is correct
32 Correct 1068 ms 179396 KB Output is correct
33 Correct 885 ms 162776 KB Output is correct
34 Correct 1089 ms 179420 KB Output is correct
35 Runtime error 2721 ms 262144 KB Execution killed with signal 9
36 Halted 0 ms 0 KB -