oj.uz

Submission #902623

# Submission time Handle Problem Language Result Execution time Memory
902623 2024-01-10T21:11:28 Z Maite_Morale The Kingdom of JOIOI (JOI17_joioi) C++14
60 / 100
 2542 ms 262144 KB 
#include<bits/stdc++.h>
#define F first
#define S second
#define MAX 3000
#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 8536 KB Output is correct
2 Correct 1 ms 10700 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 2 ms 10588 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10708 KB Output is correct
11 Correct 2 ms 10584 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct
13 Correct 1 ms 10588 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8536 KB Output is correct
2 Correct 1 ms 10700 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 2 ms 10588 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10708 KB Output is correct
11 Correct 2 ms 10584 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct
13 Correct 1 ms 10588 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 1 ms 10588 KB Output is correct
16 Correct 7 ms 31324 KB Output is correct
17 Correct 29 ms 34112 KB Output is correct
18 Correct 27 ms 34252 KB Output is correct
19 Correct 21 ms 34260 KB Output is correct
20 Correct 19 ms 31948 KB Output is correct
21 Correct 24 ms 34252 KB Output is correct
22 Correct 23 ms 34260 KB Output is correct
23 Correct 25 ms 34340 KB Output is correct
24 Correct 23 ms 32060 KB Output is correct
25 Correct 23 ms 34256 KB Output is correct
26 Correct 22 ms 34256 KB Output is correct
27 Correct 22 ms 34256 KB Output is correct
28 Correct 22 ms 34252 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 8536 KB Output is correct
2 Correct 1 ms 10700 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 2 ms 10588 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10708 KB Output is correct
11 Correct 2 ms 10584 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct
13 Correct 1 ms 10588 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 1 ms 10588 KB Output is correct
16 Correct 7 ms 31324 KB Output is correct
17 Correct 29 ms 34112 KB Output is correct
18 Correct 27 ms 34252 KB Output is correct
19 Correct 21 ms 34260 KB Output is correct
20 Correct 19 ms 31948 KB Output is correct
21 Correct 24 ms 34252 KB Output is correct
22 Correct 23 ms 34260 KB Output is correct
23 Correct 25 ms 34340 KB Output is correct
24 Correct 23 ms 32060 KB Output is correct
25 Correct 23 ms 34256 KB Output is correct
26 Correct 22 ms 34256 KB Output is correct
27 Correct 22 ms 34256 KB Output is correct
28 Correct 22 ms 34252 KB Output is correct
29 Correct 1113 ms 236284 KB Output is correct
30 Correct 1110 ms 240904 KB Output is correct
31 Correct 1176 ms 247824 KB Output is correct
32 Correct 1319 ms 243276 KB Output is correct
33 Correct 919 ms 218892 KB Output is correct
34 Correct 1098 ms 245904 KB Output is correct
35 Runtime error 2542 ms 262144 KB Execution killed with signal 9
36 Halted 0 ms 0 KB -