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Submission #305769

# Submission time Handle Problem Language Result Execution time Memory
305769 2020-09-23T23:45:09 Z bruce_test Carnival Tickets (IOI20_tickets) C++14
100 / 100
 1071 ms 62500 KB 
#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define lc (rt<<1)
#define rc (rt<<1|1)
#define pb push_back
#define cl(a, b) memset(a, b, sizeof(a))
typedef long long ll;
typedef pair<int, int> pi;
typedef pair<int, pi> pii;
typedef vector<int> vi;
typedef vector<pi> vii;
typedef vector<pii> viii;
const int inf = 0x3F3F3F3F;
const ll infl = 0x3F3F3F3F3F3F3F3FLL;
const int mod = 1e9 + 7;
void allocate_tickets(vector<vi> s);
ll find_maximum(int k, vector<vi> x){
    int n = x.size(), m = x[0].size(); ll ans = 0;
    vector<vi> s(n, vi(m, -1)); vi f(n, 0), r(n, k-1);
    vector<pi> p;
    for(int i=0; i<n; i++){
        for(int j=0; j<k; j++){
            ans -= x[i][j];
            p.pb({x[i][j] + x[i][m-k+j], i});
        }
    }
    sort(p.begin(), p.end(), greater<pi>());
    for(int i=0, tot=n*k/2; i<tot; i++){
        ans += p[i].f; f[p[i].s]++; r[p[i].s]--;
    }
    for(int i=0, cnt=0; i<k; i++, cnt=0){
        for(int j=0; j<n; j++){
            if(!f[j]) {
                s[j][r[j]] = i; r[j]--;
            } else if(r[j] == -1) {
                s[j][m - f[j]] = i; f[j]--; cnt++;
            }
        }
        for(int j=0; j<n; j++){
            if(f[j] && r[j]!=-1){
                if(cnt < n/2) { s[j][m - f[j]] = i; f[j]--; cnt++; }
                else { s[j][r[j]] = i; r[j]--; }
            }
        }
    }
    allocate_tickets(s); return ans;
}
//void allocate_tickets(vector<vi> s){
//    for(int i=0; i<s.size(); i++){
//        for(int x: s[i]) cout << x << " ";
//        cout << endl;
//    }
//}
//int main(){
//    vector<vi> a = {{5, 9}, {1, 4}, {3, 6}, {2, 7}};
//    cout << find_maximum(1, a) << endl;
//}

Subtask #1
11.0 / 11.0

# 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 2 ms 768 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 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 Correct 32 ms 2464 KB Output is correct
6 Correct 767 ms 51480 KB Output is correct

Subtask #3
14.0 / 14.0

# 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 2 ms 512 KB Output is correct
5 Correct 26 ms 2552 KB Output is correct
6 Correct 700 ms 53576 KB Output is correct
7 Correct 658 ms 56468 KB Output is correct
8 Correct 4 ms 640 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 7 ms 904 KB Output is correct
13 Correct 22 ms 2296 KB Output is correct
14 Correct 23 ms 2300 KB Output is correct
15 Correct 659 ms 58824 KB Output is correct

Subtask #4
14.0 / 14.0

# 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 3 ms 512 KB Output is correct
5 Correct 42 ms 2796 KB Output is correct
6 Correct 7 ms 768 KB Output is correct
7 Correct 9 ms 1024 KB Output is correct
8 Correct 1039 ms 62304 KB Output is correct
9 Correct 955 ms 58264 KB Output is correct
10 Correct 949 ms 58212 KB Output is correct
11 Correct 1025 ms 62372 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 4 ms 512 KB Output is correct
7 Correct 1 ms 384 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

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 4 ms 512 KB Output is correct
7 Correct 1 ms 384 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 31 ms 2420 KB Output is correct
14 Correct 32 ms 2424 KB Output is correct
15 Correct 37 ms 2584 KB Output is correct
16 Correct 41 ms 2796 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 35 ms 2672 KB Output is correct
22 Correct 35 ms 2796 KB Output is correct
23 Correct 38 ms 2668 KB Output is correct

Subtask #7
10.0 / 10.0

# 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 2 ms 768 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 32 ms 2464 KB Output is correct
12 Correct 767 ms 51480 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 26 ms 2552 KB Output is correct
18 Correct 700 ms 53576 KB Output is correct
19 Correct 658 ms 56468 KB Output is correct
20 Correct 4 ms 640 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 7 ms 904 KB Output is correct
25 Correct 22 ms 2296 KB Output is correct
26 Correct 23 ms 2300 KB Output is correct
27 Correct 659 ms 58824 KB Output is correct
28 Correct 1 ms 256 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 3 ms 512 KB Output is correct
32 Correct 42 ms 2796 KB Output is correct
33 Correct 7 ms 768 KB Output is correct
34 Correct 9 ms 1024 KB Output is correct
35 Correct 1039 ms 62304 KB Output is correct
36 Correct 955 ms 58264 KB Output is correct
37 Correct 949 ms 58212 KB Output is correct
38 Correct 1025 ms 62372 KB Output is correct
39 Correct 0 ms 256 KB Output is correct
40 Correct 3 ms 512 KB Output is correct
41 Correct 3 ms 512 KB Output is correct
42 Correct 4 ms 512 KB Output is correct
43 Correct 3 ms 512 KB Output is correct
44 Correct 4 ms 512 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 3 ms 512 KB Output is correct
48 Correct 3 ms 512 KB Output is correct
49 Correct 3 ms 512 KB Output is correct
50 Correct 3 ms 512 KB Output is correct
51 Correct 31 ms 2420 KB Output is correct
52 Correct 32 ms 2424 KB Output is correct
53 Correct 37 ms 2584 KB Output is correct
54 Correct 41 ms 2796 KB Output is correct
55 Correct 1 ms 384 KB Output is correct
56 Correct 3 ms 512 KB Output is correct
57 Correct 2 ms 384 KB Output is correct
58 Correct 30 ms 2552 KB Output is correct
59 Correct 35 ms 2672 KB Output is correct
60 Correct 35 ms 2796 KB Output is correct
61 Correct 38 ms 2668 KB Output is correct
62 Correct 88 ms 6008 KB Output is correct
63 Correct 87 ms 6136 KB Output is correct
64 Correct 110 ms 7232 KB Output is correct
65 Correct 395 ms 24036 KB Output is correct
66 Correct 448 ms 27860 KB Output is correct
67 Correct 8 ms 1024 KB Output is correct
68 Correct 7 ms 768 KB Output is correct
69 Correct 764 ms 51664 KB Output is correct
70 Correct 897 ms 53536 KB Output is correct
71 Correct 1071 ms 62500 KB Output is correct
72 Correct 854 ms 59672 KB Output is correct
73 Correct 959 ms 59072 KB Output is correct
74 Correct 723 ms 52540 KB Output is correct
75 Correct 864 ms 52320 KB Output is correct