Submission #305944

# Submission time Handle Problem Language Result Execution time Memory
305944 2020-09-24T06:34:56 Z baluteshih Carnival Tickets (IOI20_tickets) C++14
76 / 100
981 ms 63272 KB
#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define X first
#define Y second
#define ALL(v) v.begin(),v.end()
#define SZ(a) ((int)a.size())
#define pb push_back

const ll INF=1e18;

ll find_maximum(int k, vector<vector<int>> x)
{
	int n = x.size();
	int m = x[0].size();
    int tar=n*k/2;
    ll sum=0;
    vector<vector<int>> answer(n,vector<int>(m,-1)),que(n,vector<int>(k,0));
    vector<int> cnt(n,0),num(n,0),nw(n,0),tp(n,0),pl(n,0);
    priority_queue<pii> pq;
    for(int i=0;i<n;++i)
    {
        for(int j=0;j<k;++j)
            sum-=x[i][j];
        for(int j=1;j<=k;++j)
            que[i][j-1]=x[i][k-j]+x[i][m-j];
        pq.push(pii(que[i][0],i));
    }
    for(int i=0;i<tar;++i)
    {
        auto u=pq.top();
        pq.pop();
        ++cnt[u.Y],++pl[u.Y],sum+=u.X,pq.push(pii(que[u.Y][pl[u.Y]],u.Y));
    }
    for(int i=0;i<n;++i)
        nw[i]=k-cnt[i],num[i]=i,tp[i]=cnt[i];
    for(int i=0;i<k;++i)
    {
        sort(ALL(num),[&](int a,int b){return cnt[a]>cnt[b];});
        for(int j=0;j<n/2;++j)
            answer[num[j]][m-tp[num[j]]+(--cnt[num[j]])]=i;
        for(int j=n/2;j<n;++j)
            answer[num[j]][--nw[num[j]]]=i;
    }
    allocate_tickets(answer);
	return sum;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 3 ms 896 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 31 ms 2376 KB Output is correct
6 Correct 748 ms 51576 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Incorrect 26 ms 2552 KB Contestant returned 22495 but the tickets gives a total value of 68100
6 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 360 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 39 ms 2812 KB Output is correct
6 Correct 8 ms 768 KB Output is correct
7 Correct 8 ms 1024 KB Output is correct
8 Correct 981 ms 63272 KB Output is correct
9 Correct 907 ms 59000 KB Output is correct
10 Correct 907 ms 59180 KB Output is correct
11 Correct 973 ms 63224 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 3 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 3 ms 512 KB Output is correct
6 Correct 3 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 3 ms 512 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 32 ms 2424 KB Output is correct
14 Correct 32 ms 2424 KB Output is correct
15 Correct 35 ms 2680 KB Output is correct
16 Correct 38 ms 2808 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 3 ms 512 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 30 ms 2552 KB Output is correct
21 Correct 36 ms 2552 KB Output is correct
22 Correct 31 ms 2680 KB Output is correct
23 Correct 37 ms 2812 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 3 ms 896 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 31 ms 2376 KB Output is correct
12 Correct 748 ms 51576 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Incorrect 26 ms 2552 KB Contestant returned 22495 but the tickets gives a total value of 68100
18 Halted 0 ms 0 KB -