oj.uz

답안 #134183

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
134183 2019-07-22T08:07:28 Z dvdg6566 Olympiads (BOI19_olympiads) C++14
44 / 100
 1463 ms 262148 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pi;
typedef vector<ll> vi;
typedef vector<pi> vpi;
#define pb emplace_back
#define mp make_pair
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define ALL(X) X.begin(),X.end()
#define SZ(X) (int)X.size()
#define MAXN 1001000
#define INF 1e9
    
int N,K,C;
int mem[510][10];
vi cur;

vector<pi> st;
vi out;
int cntr;
int lefts[2010][3];
int rights[2010][3];
bool safe[2001000];
int ind;
map<ll,ll> M;

ll hh(){
    ll ans=0;ll mult = 1;
    while(SZ(cur)){
        ans += mult * cur.back();
        cur.pop_back();
        mult *= N;
    }
    return ans;
}

void rec2(int stt, int en){
    if (SZ(cur) == en-stt+1){
        ++cntr;
        int ans = 0;
        // for (auto i : cur)cout<<i<<' ';cout<<'\n';
        for (int i=stt;i<en;++i){
            int t=0;
            for (int j=1;j<SZ(cur);++j)t=max(t,mem[cur[j]][i]);
            ans += t;
        }
        // cout<<ans<<'\n';
        st.pb(ans,cntr);
        return;
    }
    int lst = cur.back()+1;
    for (int i=lst;i<=N;++i){
        cur.pb(i);
        rec2(stt,en);
        cur.pop_back();
    }
}

void rec3(int stt, int en, bool flag){
    if (SZ(cur) == en-stt+1){
        ++cntr;
        // cout<<cntr<<' '<<safe[cntr]<<'\n';
        if (safe[cntr] == 0)return;
        int ans = 0;
        for (int i=1;i<SZ(cur);++i){
            if (flag)lefts[ind][i-1] = cur[i];
            else rights[ind][i-1] = cur[i];
        }
        ++ind;
        return;
    }
    int lst = cur.back()+1;
    for (int i=lst;i<=N;++i){
        cur.pb(i);
        rec3(stt,en,flag);
        cur.pop_back();
    }
}
    
    
    
int main(){
    // freopen("in.txt","r",stdin);
    cin>>N>>K>>C;
    for (int i=1;i<=N;++i)for (int j=0;j<K;++j)cin>>mem[i][j];
    cur.pb(0);
    rec2(0,K/2);
    sort(ALL(st));
    reverse(ALL(st));
    while(SZ(st) > C)st.pop_back();
    for (auto i :st)safe[i.s]=1;
    cntr=0;
    rec3(0,K/2,1);

    cntr=ind=0;
    st.clear();
    memset(safe,0,sizeof(safe));

    rec2(K/2,K);
    sort(ALL(st));
    reverse(ALL(st));
    // for (auto i : st)cout<<i.f<<' '<<i.s<<'\n';
    while(SZ(st) > C)st.pop_back();
    for (auto i :st)safe[i.s]=1;
    cntr=0;
    rec3(K/2,K,0);
    // for (int i=0;i<5;++i)cout<<lefts[i][0]<<' '<<lefts[i][1]<<'\n';
    for (int i=0;i<C;++i){
        if (lefts[i][0] == 0)break;
        for (int j=0;j<C;++j){
            if (rights[j][0] ==0)break;
            cur.clear();
            cur.pb(lefts[i][0]);
            if (lefts[i][1] != 0)cur.pb(lefts[i][1]);
            if (lefts[i][2] != 0)cur.pb(lefts[i][2]);
            cur.pb(rights[j][0]);
            if (rights[j][1] != 0)cur.pb(rights[j][1]);
            if (rights[j][2] != 0)cur.pb(rights[j][2]);
            sort(ALL(cur));
            cur.resize(unique(ALL(cur)) - cur.begin());
            if (SZ(cur) < K)continue;
            // for (auto x:cur)cout<<x<<' ';cout<<'\n';
            int ans=0;
            for (int i=0;i<K;++i){
                int t=0;
                for (int j=0;j<SZ(cur);++j)t=max(t,mem[cur[j]][i]);
                ans += t;
            }
            M[hh()]=ans;
        }
    }
    for (auto i : M)out.pb(i.s);
    sort(ALL(out));
    cout<<out[SZ(out) - C];
}

Compilation message

olympiads.cpp: In function 'void rec3(int, int, bool)':
olympiads.cpp:68:13: warning: unused variable 'ans' [-Wunused-variable]
         int ans = 0;
             ^~~

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 116 ms 11248 KB Output is correct
2 Correct 117 ms 11244 KB Output is correct
3 Correct 113 ms 11456 KB Output is correct
4 Correct 108 ms 11248 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1463 ms 75384 KB Output is correct
2 Correct 1393 ms 63396 KB Output is correct
3 Correct 1289 ms 44276 KB Output is correct
4 Correct 1365 ms 59752 KB Output is correct

Subtask #3
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 540 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 116 ms 11248 KB Output is correct
2 Correct 117 ms 11244 KB Output is correct
3 Correct 113 ms 11456 KB Output is correct
4 Correct 108 ms 11248 KB Output is correct
5 Correct 1463 ms 75384 KB Output is correct
6 Correct 1393 ms 63396 KB Output is correct
7 Correct 1289 ms 44276 KB Output is correct
8 Correct 1365 ms 59752 KB Output is correct
9 Runtime error 540 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
10 Halted 0 ms 0 KB -