oj.uz

답안 #536082

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
536082 2022-03-12T09:53:30 Z zaneyu Sandcastle 2 (JOI22_ho_t5) C++14
15 / 100
 4435 ms 468 KB 
/*input
3 5
83 47 36 38 40
13 10 26 68 67
15 19 20 70 90
*/
#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<int,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-6;
#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 sub(ll a,ll b){
    ll x=a-b;
    while(x<0) x+=MOD;
    while(x>MOD) x-=MOD;
    return x;
}
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;
}
template<typename T1,typename T2>
ostream& operator<<(ostream& out,pair<T1,T2> P){
    out<<P.f<<' '<<P.s;
    return out;
}
template<typename T>
ostream& operator<<(ostream& out,vector<T> V){
    REP(i,sz(V)) out<<(V[i])<<((i!=sz(V)-1)?" ":"\n");
    return out;
}
const ll maxn=2e3+5;
const ll maxlg=__lg(maxn)+2; 
int arr[maxn];
int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};
int nxt[maxn];
pii pos[maxn];
int main(){
    ios::sync_with_stdio(false),cin.tie(0);
    int n,m;
    cin>>n>>m;
    if(n==1 or m==1){
        m=max(n,m);
        int len=0,pv=-1;
        ll ans=0;
        REP(i,m){
            int x;
            cin>>x;
            if(x>pv) ++len;
            else len=1;
            ans+=len;
            pv=x;
            arr[i]=x;
        }
        len=0,pv=-1;
        for(int i=m-1;i>=0;i--){
            int x=arr[i];
            if(x>pv) ++len;
            else len=1;
            ans+=len;
            pv=x;
        }
        cout<<ans-m;
        return 0;
    }
    REP(i,n) REP(j,m) cin>>arr[i*m+j],pos[i*m+j]={i,j};
    int ans=0;
    REP(i,n){
        REP(j,m){
            int pp=-1;
            REP(k,4){
                int x=i+dx[k],y=j+dy[k];
                if(x<0 or x>=n or y<0 or y>=m) continue;
                if(arr[x*m+y]<arr[i*m+j] and (pp==-1 or arr[x*m+y]>arr[pp])) pp=x*m+y;
            } 
            nxt[i*m+j]=pp;
        }
    }
    REP(i,n){
        REP(j,m){
            REP(a,i+1){
                REP(b,j+1){
                    pii p={a,b};
                    for(int x=a;x<=i;x++){
                        for(int y=b;y<=j;y++){
                            if(arr[p.f*m+p.s]<arr[x*m+y]) p={x,y};
                        }
                    }
                    bool wk=1;
                    REP(z,(i-a+1)*(j-b+1)-1){
                        int pp=-1;
                        if(p.f==a or p.f==i or p.s==b or p.s==j){
                            REP(k,4){
                                int x=p.f+dx[k],y=p.s+dy[k];
                                if(x<a or x>i or y<b or y>j) continue;
                                if(arr[x*m+y]<arr[p.f*m+p.s] and (pp==-1 or arr[x*m+y]>arr[pp])) pp=x*m+y;
                            }
                        }
                        else{
                            pp=nxt[p.f*m+p.s];
                        }
                        if(pp==-1){
                            wk=0;
                            break;
                        }
                        p=pos[pp];
                        //cout<<pp<<'\n';
                    }
                    //cout<<wk<<' '<<i<<' '<<a<<' '<<j<<' '<<b<<'\n';
                    ans+=wk;
                }
            }
        }
    }
    cout<<ans;
}

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 1 ms 468 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct

Subtask #3
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 485 ms 364 KB Output is correct
10 Correct 1306 ms 348 KB Output is correct
11 Correct 4435 ms 344 KB Output is correct
12 Correct 4244 ms 348 KB Output is correct
13 Correct 641 ms 364 KB Output is correct
14 Correct 262 ms 344 KB Output is correct
15 Correct 617 ms 356 KB Output is correct
16 Correct 548 ms 348 KB Output is correct

Subtask #4
0 / 56.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 485 ms 364 KB Output is correct
10 Correct 1306 ms 348 KB Output is correct
11 Correct 4435 ms 344 KB Output is correct
12 Correct 4244 ms 348 KB Output is correct
13 Correct 641 ms 364 KB Output is correct
14 Correct 262 ms 344 KB Output is correct
15 Correct 617 ms 356 KB Output is correct
16 Correct 548 ms 348 KB Output is correct
17 Runtime error 1 ms 468 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 485 ms 364 KB Output is correct
10 Correct 1306 ms 348 KB Output is correct
11 Correct 4435 ms 344 KB Output is correct
12 Correct 4244 ms 348 KB Output is correct
13 Correct 641 ms 364 KB Output is correct
14 Correct 262 ms 344 KB Output is correct
15 Correct 617 ms 356 KB Output is correct
16 Correct 548 ms 348 KB Output is correct
17 Runtime error 1 ms 468 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -