oj.uz

답안 #900280

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
900280 2024-01-08T03:50:11 Z Maite_Morale The Kingdom of JOIOI (JOI17_joioi) C++14
60 / 100
 2646 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(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:73:9: 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]
   73 |     if(f==v.size()){cout<<OK(v[p],1);return 0;}
      |        ~^~~~~~~~~~

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 8540 KB Output is correct
2 Correct 1 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 8544 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Correct 1 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 1 ms 8540 KB Output is correct

Subtask #2
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 8540 KB Output is correct
2 Correct 1 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 8544 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Correct 1 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 1 ms 8540 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 7 ms 25144 KB Output is correct
17 Correct 20 ms 27860 KB Output is correct
18 Correct 20 ms 27860 KB Output is correct
19 Correct 19 ms 27856 KB Output is correct
20 Correct 18 ms 27608 KB Output is correct
21 Correct 21 ms 27968 KB Output is correct
22 Correct 20 ms 27860 KB Output is correct
23 Correct 20 ms 27860 KB Output is correct
24 Correct 18 ms 27608 KB Output is correct
25 Correct 20 ms 27860 KB Output is correct
26 Correct 21 ms 27860 KB Output is correct
27 Correct 22 ms 27860 KB Output is correct
28 Correct 21 ms 27860 KB Output is correct

Subtask #3
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 8540 KB Output is correct
2 Correct 1 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 8544 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 8540 KB Output is correct
11 Correct 1 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 1 ms 8540 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 7 ms 25144 KB Output is correct
17 Correct 20 ms 27860 KB Output is correct
18 Correct 20 ms 27860 KB Output is correct
19 Correct 19 ms 27856 KB Output is correct
20 Correct 18 ms 27608 KB Output is correct
21 Correct 21 ms 27968 KB Output is correct
22 Correct 20 ms 27860 KB Output is correct
23 Correct 20 ms 27860 KB Output is correct
24 Correct 18 ms 27608 KB Output is correct
25 Correct 20 ms 27860 KB Output is correct
26 Correct 21 ms 27860 KB Output is correct
27 Correct 22 ms 27860 KB Output is correct
28 Correct 21 ms 27860 KB Output is correct
29 Correct 995 ms 165432 KB Output is correct
30 Correct 962 ms 169976 KB Output is correct
31 Correct 1083 ms 169716 KB Output is correct
32 Correct 1048 ms 169672 KB Output is correct
33 Correct 826 ms 154420 KB Output is correct
34 Correct 1045 ms 169984 KB Output is correct
35 Runtime error 2646 ms 262144 KB Execution killed with signal 9
36 Halted 0 ms 0 KB -