oj.uz

Submission #900270

# Submission time Handle Problem Language Result Execution time Memory
900270 2024-01-08T03:29:40 Z Maite_Morale The Kingdom of JOIOI (JOI17_joioi) C++14
60 / 100
 2804 ms 262144 KB 
#include<bits/stdc++.h>
#define F first
#define S second
#define MAX 2015
#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[3][MAX][MAX],tmx[3][MAX][MAX],a[MAX][MAX],m,n;
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;
        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=0,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 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 2 ms 4700 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 1 ms 4700 KB Output is correct
14 Correct 1 ms 4700 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 2 ms 4700 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 1 ms 4700 KB Output is correct
14 Correct 1 ms 4700 KB Output is correct
15 Correct 2 ms 6744 KB Output is correct
16 Correct 5 ms 18268 KB Output is correct
17 Correct 20 ms 21128 KB Output is correct
18 Correct 20 ms 20944 KB Output is correct
19 Correct 19 ms 21204 KB Output is correct
20 Correct 18 ms 20436 KB Output is correct
21 Correct 21 ms 21200 KB Output is correct
22 Correct 20 ms 21204 KB Output is correct
23 Correct 20 ms 21204 KB Output is correct
24 Correct 18 ms 20688 KB Output is correct
25 Correct 20 ms 21200 KB Output is correct
26 Correct 22 ms 21204 KB Output is correct
27 Correct 22 ms 21204 KB Output is correct
28 Correct 21 ms 21204 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 2 ms 4700 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4700 KB Output is correct
7 Correct 1 ms 4700 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 1 ms 4700 KB Output is correct
12 Correct 1 ms 4700 KB Output is correct
13 Correct 1 ms 4700 KB Output is correct
14 Correct 1 ms 4700 KB Output is correct
15 Correct 2 ms 6744 KB Output is correct
16 Correct 5 ms 18268 KB Output is correct
17 Correct 20 ms 21128 KB Output is correct
18 Correct 20 ms 20944 KB Output is correct
19 Correct 19 ms 21204 KB Output is correct
20 Correct 18 ms 20436 KB Output is correct
21 Correct 21 ms 21200 KB Output is correct
22 Correct 20 ms 21204 KB Output is correct
23 Correct 20 ms 21204 KB Output is correct
24 Correct 18 ms 20688 KB Output is correct
25 Correct 20 ms 21200 KB Output is correct
26 Correct 22 ms 21204 KB Output is correct
27 Correct 22 ms 21204 KB Output is correct
28 Correct 21 ms 21204 KB Output is correct
29 Correct 985 ms 163160 KB Output is correct
30 Correct 942 ms 169296 KB Output is correct
31 Correct 1016 ms 169116 KB Output is correct
32 Correct 1048 ms 169384 KB Output is correct
33 Correct 835 ms 151572 KB Output is correct
34 Correct 1027 ms 169160 KB Output is correct
35 Runtime error 2804 ms 262144 KB Execution killed with signal 9
36 Halted 0 ms 0 KB -