oj.uz

Submission #716275

# Submission time Handle Problem Language Result Execution time Memory
716275 2023-03-29T12:56:51 Z myrcella Carnival Tickets (IOI20_tickets) C++17
100 / 100
 863 ms 76116 KB 
//by szh
#include<bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pii pair<int,int>
#define pll pair<long long,long long>
#define pb push_back
#define debug(x) cerr<<#x<<"="<<x<<endl
#define pq priority_queue
#define inf 0x3f
#define rep(i,a,b) for (int i=a;i<(b);i++)
#define MP make_pair
#define SZ(x) (int(x.size()))
#define ll long long
#define mod 1000000007
#define ALL(x) x.begin(),x.end()
void inc(int &a,int b) {a=(a+b)%mod;}
void dec(int &a,int b) {a=(a-b+mod)%mod;}
int lowbit(int x) {return x&(-x);}
ll p0w(ll base,ll p) {ll ret=1;while(p>0){if (p%2ll==1ll) ret=ret*base%mod;base=base*base%mod;p/=2ll;}return ret;}

#include "tickets.h"

const int maxn = 1555;
int pos[maxn];
pq <pair<ll,pii> > q;
bool used[maxn];

long long find_maximum(int k, std::vector<std::vector<int>> x) {
	int n = x.size();
	int m = x[0].size();
	std::vector<std::vector<int>> answer;
	for (int i = 0; i < n; i++) {
		vector <int> tmp;
		for (int j = 0; j < m; j++) tmp.pb(-1);
		answer.pb(tmp);
	}
	ll ans = 0;
	rep(i,0,n) {
		rep(j,1,k+1) ans += x[i][m-j];
		pos[i] = 0;
		q.push({-x[i][0]-x[i][m-k],{i,0}});
	}
	rep(_,0,n/2*k) {
		auto cur = q.top();
		q.pop();
		ans += cur.fi;
		int tmp = cur.se.se;
		pos[cur.se.fi] = tmp+1;
		if (tmp+1==k) continue;
		ll val = -x[cur.se.fi][tmp+1]-x[cur.se.fi][m-(k-tmp-1)];
		q.push({val,{cur.se.fi,tmp+1}});
	}
	pq <pii> t;
	rep(i,0,k) t.push({n/2,i});
	rep(i,0,n) {
		vector <pii> tmp;
		rep(j,0,m) used[j] = false;
		rep(j,0,pos[i]) {
			assert(!t.empty());
			pii cur = t.top();
			t.pop();
			if (cur.fi>1) tmp.pb({cur.fi-1,cur.se});
			answer[i][j] = cur.se;
			used[cur.se]=true;
		}
		while (!tmp.empty()) t.push(tmp.back()),tmp.pop_back();
		int cur = 0;
		rep(j,m-(k-pos[i]),m) {
			while (used[cur]) cur++;
			answer[i][j] = cur++;
		}
	}
	allocate_tickets(answer);
	return ans;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory 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 340 KB Output is correct
6 Correct 2 ms 724 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 2 ms 340 KB Output is correct
5 Correct 25 ms 2388 KB Output is correct
6 Correct 515 ms 51440 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 2 ms 340 KB Output is correct
5 Correct 20 ms 2416 KB Output is correct
6 Correct 484 ms 52320 KB Output is correct
7 Correct 488 ms 57096 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 6 ms 888 KB Output is correct
13 Correct 18 ms 2132 KB Output is correct
14 Correct 23 ms 2184 KB Output is correct
15 Correct 528 ms 57716 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 29 ms 3216 KB Output is correct
6 Correct 5 ms 700 KB Output is correct
7 Correct 6 ms 980 KB Output is correct
8 Correct 764 ms 75980 KB Output is correct
9 Correct 679 ms 70944 KB Output is correct
10 Correct 670 ms 71068 KB Output is correct
11 Correct 719 ms 76096 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 3 ms 468 KB Output is correct
3 Correct 2 ms 444 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 3 ms 444 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 2 ms 448 KB Output is correct
11 Correct 3 ms 568 KB Output is correct
12 Correct 2 ms 468 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 3 ms 468 KB Output is correct
3 Correct 2 ms 444 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 3 ms 444 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 2 ms 448 KB Output is correct
11 Correct 3 ms 568 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 20 ms 3216 KB Output is correct
14 Correct 22 ms 3168 KB Output is correct
15 Correct 25 ms 3188 KB Output is correct
16 Correct 27 ms 3276 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 3 ms 468 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 22 ms 2632 KB Output is correct
21 Correct 25 ms 3148 KB Output is correct
22 Correct 25 ms 2672 KB Output is correct
23 Correct 27 ms 3124 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory 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 340 KB Output is correct
6 Correct 2 ms 724 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 25 ms 2388 KB Output is correct
12 Correct 515 ms 51440 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 20 ms 2416 KB Output is correct
18 Correct 484 ms 52320 KB Output is correct
19 Correct 488 ms 57096 KB Output is correct
20 Correct 3 ms 468 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 6 ms 888 KB Output is correct
25 Correct 18 ms 2132 KB Output is correct
26 Correct 23 ms 2184 KB Output is correct
27 Correct 528 ms 57716 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 29 ms 3216 KB Output is correct
33 Correct 5 ms 700 KB Output is correct
34 Correct 6 ms 980 KB Output is correct
35 Correct 764 ms 75980 KB Output is correct
36 Correct 679 ms 70944 KB Output is correct
37 Correct 670 ms 71068 KB Output is correct
38 Correct 719 ms 76096 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 3 ms 468 KB Output is correct
41 Correct 2 ms 444 KB Output is correct
42 Correct 2 ms 500 KB Output is correct
43 Correct 3 ms 444 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 4 ms 468 KB Output is correct
48 Correct 2 ms 448 KB Output is correct
49 Correct 3 ms 568 KB Output is correct
50 Correct 2 ms 468 KB Output is correct
51 Correct 20 ms 3216 KB Output is correct
52 Correct 22 ms 3168 KB Output is correct
53 Correct 25 ms 3188 KB Output is correct
54 Correct 27 ms 3276 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 3 ms 468 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 22 ms 2632 KB Output is correct
59 Correct 25 ms 3148 KB Output is correct
60 Correct 25 ms 2672 KB Output is correct
61 Correct 27 ms 3124 KB Output is correct
62 Correct 62 ms 8380 KB Output is correct
63 Correct 78 ms 8424 KB Output is correct
64 Correct 80 ms 8556 KB Output is correct
65 Correct 269 ms 33116 KB Output is correct
66 Correct 301 ms 33584 KB Output is correct
67 Correct 5 ms 980 KB Output is correct
68 Correct 5 ms 724 KB Output is correct
69 Correct 477 ms 73288 KB Output is correct
70 Correct 593 ms 74204 KB Output is correct
71 Correct 750 ms 76116 KB Output is correct
72 Correct 863 ms 60532 KB Output is correct
73 Correct 791 ms 73304 KB Output is correct
74 Correct 542 ms 59024 KB Output is correct
75 Correct 610 ms 71888 KB Output is correct