oj.uz

Submission #902622

# Submission time Handle Problem Language Result Execution time Memory
902622 2024-01-10T21:09:26 Z Maite_Morale The Kingdom of JOIOI (JOI17_joioi) C++14
60 / 100
 2917 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 x,ll z){
    ll cl=-1,mx=0,mn=oo;
    for(int i=0;i<n;i++){
        while(cl+1<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--;
        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+1<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--;
        mx=max(mx,tmx[0][i][cl]);
    }
    mn=min(mn,mx);
    if(z==1)return max(abs(v[0]-mn),abs(v.back()-x));
    if(abs(v[0]-mn)<=abs(v.back()-x))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;
        tmx[0][i][m]=tmx[1][i][0]=0;
        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());
    if(v.size()==1){cout<<0;return 0;}
    ll p=1,f=v.size();

    while(abs(f-p)!=1){
        ll md=(p+f)/2;     
        if(md<0 || md>=v.size())while(true){md=md;}                
        if(OK(v[md],0)==1)p=md;
        else             f=md;           
    }                                          
    if(f==v.size()){cout<<OK(v[p],1);return 0;}
    cout<<min(OK(v[p],1),OK(v[f],1));
return 0;
}

Compilation message

joioi.cpp: In function 'int main()':
joioi.cpp:71:22: 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]
   71 |         if(md<0 || md>=v.size())while(true){md=md;}
      |                    ~~^~~~~~~~~~
joioi.cpp:75:9: 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]
   75 |     if(f==v.size()){cout<<OK(v[p],1);return 0;}
      |        ~^~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8656 KB Output is correct
2 Correct 2 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8660 KB Output is correct
6 Correct 2 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 2 ms 8540 KB Output is correct
9 Correct 1 ms 8536 KB Output is correct
10 Correct 1 ms 8536 KB Output is correct
11 Correct 2 ms 8540 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 8540 KB Output is correct
14 Correct 2 ms 8540 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8656 KB Output is correct
2 Correct 2 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8660 KB Output is correct
6 Correct 2 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 2 ms 8540 KB Output is correct
9 Correct 1 ms 8536 KB Output is correct
10 Correct 1 ms 8536 KB Output is correct
11 Correct 2 ms 8540 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 8540 KB Output is correct
14 Correct 2 ms 8540 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 6 ms 25432 KB Output is correct
17 Correct 21 ms 28112 KB Output is correct
18 Correct 27 ms 28104 KB Output is correct
19 Correct 25 ms 28108 KB Output is correct
20 Correct 18 ms 27860 KB Output is correct
21 Correct 22 ms 28372 KB Output is correct
22 Correct 21 ms 28120 KB Output is correct
23 Correct 23 ms 28104 KB Output is correct
24 Correct 23 ms 27916 KB Output is correct
25 Correct 23 ms 28224 KB Output is correct
26 Correct 22 ms 28272 KB Output is correct
27 Correct 24 ms 28276 KB Output is correct
28 Correct 29 ms 28108 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8656 KB Output is correct
2 Correct 2 ms 8540 KB Output is correct
3 Correct 1 ms 8540 KB Output is correct
4 Correct 1 ms 8540 KB Output is correct
5 Correct 1 ms 8660 KB Output is correct
6 Correct 2 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 2 ms 8540 KB Output is correct
9 Correct 1 ms 8536 KB Output is correct
10 Correct 1 ms 8536 KB Output is correct
11 Correct 2 ms 8540 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 8540 KB Output is correct
14 Correct 2 ms 8540 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 6 ms 25432 KB Output is correct
17 Correct 21 ms 28112 KB Output is correct
18 Correct 27 ms 28104 KB Output is correct
19 Correct 25 ms 28108 KB Output is correct
20 Correct 18 ms 27860 KB Output is correct
21 Correct 22 ms 28372 KB Output is correct
22 Correct 21 ms 28120 KB Output is correct
23 Correct 23 ms 28104 KB Output is correct
24 Correct 23 ms 27916 KB Output is correct
25 Correct 23 ms 28224 KB Output is correct
26 Correct 22 ms 28272 KB Output is correct
27 Correct 24 ms 28276 KB Output is correct
28 Correct 29 ms 28108 KB Output is correct
29 Correct 1155 ms 187680 KB Output is correct
30 Correct 1203 ms 191248 KB Output is correct
31 Correct 1217 ms 192668 KB Output is correct
32 Correct 1145 ms 192580 KB Output is correct
33 Correct 866 ms 174388 KB Output is correct
34 Correct 1210 ms 192848 KB Output is correct
35 Runtime error 2917 ms 262144 KB Execution killed with signal 9
36 Halted 0 ms 0 KB -