oj.uz

Submission #446946

# Submission time Handle Problem Language Result Execution time Memory
446946 2021-07-24T03:07:35 Z zaneyu The Kingdom of JOIOI (JOI17_joioi) C++14
60 / 100
 4000 ms 70376 KB 
/*input
8 6
23 23 10 11 16 21
15 26 19 28 19 20
25 26 28 16 15 11
11 8 19 11 15 24
14 19 15 14 24 11
10 8 11 7 6 14
23 5 19 23 17 17
18 11 21 14 20 16
*/
#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<long long, null_type, less_equal<long long>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
#pragma GCC optimize("unroll-loops,no-stack-protector")
//order_of_key #of elements less than x
// find_by_order kth element
using ll = long long;
using ld = long double;
using pii = pair<ll,int>;
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define FILL(n,x) memset(n,x,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
#define sz(x) (int)x.size()
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
const ll INF64=4e18;
const int INF=0x3f3f3f3f;
const ll MOD=1e9+7;
const ld PI=acos(-1);
const ld eps=1e-9;
#define lowb(x) x&(-x)
#define MNTO(x,y) x=min(x,(__typeof__(x))y)
#define MXTO(x,y) x=max(x,(__typeof__(x))y)
ll mult(ll a,ll b){
    return a*b%MOD;
}
ll mypow(ll a,ll b){
    if(b<=0) return 1;
    ll res=1LL;
    while(b){
        if(b&1) res=(res*a)%MOD;
        a=(a*a)%MOD;
        b>>=1;
    }
    return res;
}
const ll maxn=2e3+5;
const ll maxlg=__lg(maxn)+2; 
int mn=INF,mx=0;
int arr[maxn][maxn],tmp[maxn][maxn];
int n,m;
inline void rot(){
    REP(i,n){
        REP(j,m){
            tmp[m-j-1][i]=arr[i][j];
        }
    }
    swap(n,m);
    REP(i,n) REP(j,m) arr[i][j]=tmp[i][j];
}
inline bool wk(int mid){
    bool ok=0;
    REP(asd,4){
        bool wk=1;
        if(!ok){
            int pv=m;
            REP(i,n){
                REP(j,pv){
                    if(arr[i][j]>mn+mid){
                        pv=j;
                        break;
                    }
                }
                for(int j=m-1;j>=pv;j--){
                    if(arr[i][j]<mx-mid){
                        wk=0;
                    }
                }
            }
        }
        ok|=wk;
        rot();
    }
    return ok;
}
int main(){
    ios::sync_with_stdio(false),cin.tie(0);
    cin>>n>>m;
    REP(i,n) REP(j,m){
        cin>>arr[i][j];
        MNTO(mn,arr[i][j]);
        MXTO(mx,arr[i][j]);
    }
    /*REP(asd,4){
        REP(i,n){
            REP(j,m) cout<<arr[i][j]<<' ';
            cout<<'\n';
        }
        rot();
        cout<<'\n';
    }*/
    int l=0,r=mx-mn;
    while(l<r){
        int mid=(l+r)/2;
        if(wk(mid)) r=mid;
        else l=mid+1;
    }
    cout<<l;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 360 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 360 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 1868 KB Output is correct
16 Correct 5 ms 2252 KB Output is correct
17 Correct 11 ms 2368 KB Output is correct
18 Correct 10 ms 2252 KB Output is correct
19 Correct 10 ms 2376 KB Output is correct
20 Correct 9 ms 2252 KB Output is correct
21 Correct 14 ms 2380 KB Output is correct
22 Correct 14 ms 2268 KB Output is correct
23 Correct 14 ms 2376 KB Output is correct
24 Correct 12 ms 2364 KB Output is correct
25 Correct 14 ms 2380 KB Output is correct
26 Correct 14 ms 2376 KB Output is correct
27 Correct 14 ms 2252 KB Output is correct
28 Correct 14 ms 2252 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 360 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 1868 KB Output is correct
16 Correct 5 ms 2252 KB Output is correct
17 Correct 11 ms 2368 KB Output is correct
18 Correct 10 ms 2252 KB Output is correct
19 Correct 10 ms 2376 KB Output is correct
20 Correct 9 ms 2252 KB Output is correct
21 Correct 14 ms 2380 KB Output is correct
22 Correct 14 ms 2268 KB Output is correct
23 Correct 14 ms 2376 KB Output is correct
24 Correct 12 ms 2364 KB Output is correct
25 Correct 14 ms 2380 KB Output is correct
26 Correct 14 ms 2376 KB Output is correct
27 Correct 14 ms 2252 KB Output is correct
28 Correct 14 ms 2252 KB Output is correct
29 Correct 2696 ms 31696 KB Output is correct
30 Correct 2479 ms 31696 KB Output is correct
31 Correct 2891 ms 31688 KB Output is correct
32 Correct 2571 ms 54852 KB Output is correct
33 Correct 2157 ms 51564 KB Output is correct
34 Correct 2327 ms 54912 KB Output is correct
35 Execution timed out 4078 ms 70376 KB Time limit exceeded
36 Halted 0 ms 0 KB -