oj.uz

Submission #806912

# Submission time Handle Problem Language Result Execution time Memory
806912 2023-08-04T11:01:06 Z Cookie Let's Win the Election (JOI22_ho_t3) C++14
100 / 100
 416 ms 3940 KB 
#include<bits/stdc++.h>
#include<fstream>
#pragma GCC optimize("Ofast,O3,unroll-loops")
#pragma GCC target("avx2")
using namespace std;
//ifstream fin("FEEDING.INP");
//ofstream fout("FEEDING.OUT");
#define sz(a) (int)a.size()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
const int base = 74;
const ll mod = 1e9 + 7, inf = 1e18, mxv = 1005, mxn = 2e5 + 5;
int n, k;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
ld dp[505][505];
pll p[mxn + 1];
bool cmp(pll &a, pll &b){
    return(a.se < b.se);
}
ld get(int x){
    for(int i = 1; i <= n; i++){
        for(int j = 0; j <= min(i, x); j++){
            dp[i][j] = inf;
            int other = i - j;
            if(other <= k - x){
                dp[i][j] = dp[i - 1][j] + (ld)p[i].se / (other);
            }else{
                dp[i][j] = dp[i - 1][j];
            }
            other = min(other, k - x);
            if(j > 0){
                dp[i][j] = min(dp[i][j], dp[i - 1][j - 1] + (ld)p[i].fi / (k - x + 1));
                
            }
            
        }
    }
    return(dp[n][x]);
}
signed main()
{
     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> k;
    int cant = 0;
    for(int i = 1; i <= n; i++){
        cin >> p[i].fi >> p[i].se;
        if(p[i].se == -1){
            p[i].se = 1e9; cant++;
        }
    }
    sort(p + 1, p + n + 1, cmp);
    int l = max(k - n + cant, 0), r = k;
    ld ans = inf;
    for(int i = 0; i <= k; i++)ans = min(ans, get(i));
    cout << fixed << setprecision(20) << ans;
    return(0);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:61:9: warning: unused variable 'l' [-Wunused-variable]
   61 |     int l = max(k - n + cant, 0), r = k;
      |         ^
Main.cpp:61:35: warning: unused variable 'r' [-Wunused-variable]
   61 |     int l = max(k - n + cant, 0), r = k;
      |                                   ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 7 ms 2644 KB Output is correct
6 Correct 36 ms 3100 KB Output is correct
7 Correct 125 ms 3764 KB Output is correct
8 Correct 254 ms 3684 KB Output is correct
9 Correct 396 ms 3908 KB Output is correct
10 Correct 230 ms 3796 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 7 ms 2644 KB Output is correct
6 Correct 36 ms 3100 KB Output is correct
7 Correct 125 ms 3764 KB Output is correct
8 Correct 254 ms 3684 KB Output is correct
9 Correct 396 ms 3908 KB Output is correct
10 Correct 230 ms 3796 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 50 ms 3252 KB Output is correct
13 Correct 54 ms 3276 KB Output is correct
14 Correct 53 ms 3212 KB Output is correct
15 Correct 223 ms 3748 KB Output is correct
16 Correct 228 ms 3780 KB Output is correct
17 Correct 224 ms 3736 KB Output is correct
18 Correct 400 ms 3800 KB Output is correct
19 Correct 416 ms 3808 KB Output is correct
20 Correct 394 ms 3804 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 1 ms 352 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 1 ms 352 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 724 KB Output is correct
42 Correct 1 ms 724 KB Output is correct
43 Correct 1 ms 724 KB Output is correct
44 Correct 1 ms 724 KB Output is correct
45 Correct 3 ms 724 KB Output is correct
46 Correct 2 ms 724 KB Output is correct
47 Correct 2 ms 724 KB Output is correct
48 Correct 2 ms 768 KB Output is correct
49 Correct 4 ms 852 KB Output is correct
50 Correct 3 ms 724 KB Output is correct
51 Correct 4 ms 724 KB Output is correct
52 Correct 4 ms 804 KB Output is correct
53 Correct 2 ms 724 KB Output is correct
54 Correct 2 ms 724 KB Output is correct
55 Correct 2 ms 724 KB Output is correct
56 Correct 2 ms 800 KB Output is correct
57 Correct 2 ms 724 KB Output is correct
58 Correct 2 ms 724 KB Output is correct
59 Correct 2 ms 724 KB Output is correct
60 Correct 2 ms 724 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 391 ms 3792 KB Output is correct
2 Correct 409 ms 3800 KB Output is correct
3 Correct 408 ms 3796 KB Output is correct
4 Correct 392 ms 3800 KB Output is correct
5 Correct 404 ms 3836 KB Output is correct
6 Correct 393 ms 3800 KB Output is correct
7 Correct 403 ms 3804 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 7 ms 2644 KB Output is correct
6 Correct 36 ms 3100 KB Output is correct
7 Correct 125 ms 3764 KB Output is correct
8 Correct 254 ms 3684 KB Output is correct
9 Correct 396 ms 3908 KB Output is correct
10 Correct 230 ms 3796 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 50 ms 3252 KB Output is correct
13 Correct 54 ms 3276 KB Output is correct
14 Correct 53 ms 3212 KB Output is correct
15 Correct 223 ms 3748 KB Output is correct
16 Correct 228 ms 3780 KB Output is correct
17 Correct 224 ms 3736 KB Output is correct
18 Correct 400 ms 3800 KB Output is correct
19 Correct 416 ms 3808 KB Output is correct
20 Correct 394 ms 3804 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 1 ms 352 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 0 ms 340 KB Output is correct
55 Correct 0 ms 340 KB Output is correct
56 Correct 0 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 0 ms 340 KB Output is correct
59 Correct 0 ms 340 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 1 ms 724 KB Output is correct
62 Correct 1 ms 724 KB Output is correct
63 Correct 1 ms 724 KB Output is correct
64 Correct 1 ms 724 KB Output is correct
65 Correct 3 ms 724 KB Output is correct
66 Correct 2 ms 724 KB Output is correct
67 Correct 2 ms 724 KB Output is correct
68 Correct 2 ms 768 KB Output is correct
69 Correct 4 ms 852 KB Output is correct
70 Correct 3 ms 724 KB Output is correct
71 Correct 4 ms 724 KB Output is correct
72 Correct 4 ms 804 KB Output is correct
73 Correct 2 ms 724 KB Output is correct
74 Correct 2 ms 724 KB Output is correct
75 Correct 2 ms 724 KB Output is correct
76 Correct 2 ms 800 KB Output is correct
77 Correct 2 ms 724 KB Output is correct
78 Correct 2 ms 724 KB Output is correct
79 Correct 2 ms 724 KB Output is correct
80 Correct 2 ms 724 KB Output is correct
81 Correct 391 ms 3792 KB Output is correct
82 Correct 409 ms 3800 KB Output is correct
83 Correct 408 ms 3796 KB Output is correct
84 Correct 392 ms 3800 KB Output is correct
85 Correct 404 ms 3836 KB Output is correct
86 Correct 393 ms 3800 KB Output is correct
87 Correct 403 ms 3804 KB Output is correct
88 Correct 7 ms 2644 KB Output is correct
89 Correct 7 ms 2644 KB Output is correct
90 Correct 36 ms 3120 KB Output is correct
91 Correct 37 ms 3060 KB Output is correct
92 Correct 125 ms 3800 KB Output is correct
93 Correct 125 ms 3804 KB Output is correct
94 Correct 257 ms 3880 KB Output is correct
95 Correct 251 ms 3800 KB Output is correct
96 Correct 337 ms 3804 KB Output is correct
97 Correct 374 ms 3804 KB Output is correct
98 Correct 224 ms 3796 KB Output is correct
99 Correct 225 ms 3920 KB Output is correct
100 Correct 222 ms 3804 KB Output is correct
101 Correct 221 ms 3792 KB Output is correct
102 Correct 228 ms 3940 KB Output is correct
103 Correct 222 ms 3784 KB Output is correct
104 Correct 223 ms 3732 KB Output is correct
105 Correct 234 ms 3936 KB Output is correct