oj.uz

Submission #1023209

# Submission time Handle Problem Language Result Execution time Memory
1023209 2024-07-14T13:10:40 Z snpmrnhlol Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 1597 ms 4444 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const ll N = 5e2;
const ll inf = 1e18;
struct state{
    ll a,b;
}v[N];
int p[N];
ld dp[N + 1][N + 1];
ll sum[N + 1];
vector<int> v2;
int main(){
    cout<<fixed<<setprecision(5);
    int n,k;
    ld ans = inf;
    cin>>n>>k;
    for(int i = 0;i < n;i++){
        cin>>v[i].a>>v[i].b;
        if(v[i].b == -1)v[i].b = inf;
        p[i] = i;
    }
    sort(p,p + n,[&](int a, int b){
         return v[a].b < v[b].b;
    });
    for(int i = n;i >= 0;i--){
        ///first i - 1 complete
        v2.clear();
        for(int j = i;j < n;j++){
            v2.push_back(v[p[j]].a);
        }
        sort(v2.begin(),v2.end());
        for(int j = 0;j < k - i;j++){
            sum[i]+=v2[j];
        }
    }
    for(int m = 0;m < k;m++){
        for(int i = 0;i <= n;i++){
            for(int j = 0;j <= n;j++){
                dp[i][j] = inf;
            }
        }
        dp[0][0] = 0;///i as j bs
        for(int i = 0;i <= n;i++){
            int id = p[i];
            for(int j = 0;j <= i;j++){
                if(i - j + 1 <= n)dp[i - j + 1][j] = min(dp[i - j + 1][j],dp[i - j][j] + (ld)v[id].a/(m + 1));
                if(j + 1 <= n)dp[i - j][j + 1] = min(dp[i - j][j + 1],dp[i - j][j] + (ld)v[id].b/(j + 1));
            }
        }
        for(int i = 0;i + m <= n;i++){
            ans = min(ans,dp[i][m] + (ld)sum[i + m]/(m + 1));
        }
    }
    cout<<ans;
    return 0;
}
/**
7 5
284 758  x 474
288 668    380
320 635    315
333 702  x 369
374 676    302
375 666 x  291
393 646 x  253
**/

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 440 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 158 ms 4356 KB Output is correct
6 Correct 387 ms 4360 KB Output is correct
7 Correct 776 ms 4356 KB Output is correct
8 Correct 1123 ms 4188 KB Output is correct
9 Correct 1496 ms 4188 KB Output is correct
10 Correct 1059 ms 4188 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 440 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 158 ms 4356 KB Output is correct
6 Correct 387 ms 4360 KB Output is correct
7 Correct 776 ms 4356 KB Output is correct
8 Correct 1123 ms 4188 KB Output is correct
9 Correct 1496 ms 4188 KB Output is correct
10 Correct 1059 ms 4188 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 464 ms 4188 KB Output is correct
13 Correct 476 ms 4368 KB Output is correct
14 Correct 475 ms 4188 KB Output is correct
15 Correct 1097 ms 4276 KB Output is correct
16 Correct 1145 ms 4188 KB Output is correct
17 Correct 1135 ms 4360 KB Output is correct
18 Correct 1597 ms 4356 KB Output is correct
19 Correct 1547 ms 4184 KB Output is correct
20 Correct 1541 ms 4360 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 600 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 540 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 352 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 600 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 540 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 352 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 2 ms 1000 KB Output is correct
43 Correct 6 ms 1116 KB Output is correct
44 Correct 5 ms 884 KB Output is correct
45 Correct 7 ms 856 KB Output is correct
46 Correct 7 ms 860 KB Output is correct
47 Correct 9 ms 860 KB Output is correct
48 Correct 9 ms 860 KB Output is correct
49 Correct 10 ms 860 KB Output is correct
50 Correct 11 ms 856 KB Output is correct
51 Correct 13 ms 860 KB Output is correct
52 Correct 13 ms 856 KB Output is correct
53 Correct 9 ms 860 KB Output is correct
54 Correct 9 ms 856 KB Output is correct
55 Correct 9 ms 860 KB Output is correct
56 Correct 9 ms 1004 KB Output is correct
57 Correct 8 ms 856 KB Output is correct
58 Correct 9 ms 1000 KB Output is correct
59 Correct 9 ms 860 KB Output is correct
60 Correct 8 ms 860 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1524 ms 4356 KB Output is correct
2 Correct 1543 ms 4364 KB Output is correct
3 Correct 1511 ms 4360 KB Output is correct
4 Correct 1532 ms 4356 KB Output is correct
5 Correct 1523 ms 4356 KB Output is correct
6 Correct 1546 ms 4440 KB Output is correct
7 Correct 1522 ms 4184 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 440 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 158 ms 4356 KB Output is correct
6 Correct 387 ms 4360 KB Output is correct
7 Correct 776 ms 4356 KB Output is correct
8 Correct 1123 ms 4188 KB Output is correct
9 Correct 1496 ms 4188 KB Output is correct
10 Correct 1059 ms 4188 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 464 ms 4188 KB Output is correct
13 Correct 476 ms 4368 KB Output is correct
14 Correct 475 ms 4188 KB Output is correct
15 Correct 1097 ms 4276 KB Output is correct
16 Correct 1145 ms 4188 KB Output is correct
17 Correct 1135 ms 4360 KB Output is correct
18 Correct 1597 ms 4356 KB Output is correct
19 Correct 1547 ms 4184 KB Output is correct
20 Correct 1541 ms 4360 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 1 ms 344 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 600 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 540 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 352 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 3 ms 860 KB Output is correct
62 Correct 2 ms 1000 KB Output is correct
63 Correct 6 ms 1116 KB Output is correct
64 Correct 5 ms 884 KB Output is correct
65 Correct 7 ms 856 KB Output is correct
66 Correct 7 ms 860 KB Output is correct
67 Correct 9 ms 860 KB Output is correct
68 Correct 9 ms 860 KB Output is correct
69 Correct 10 ms 860 KB Output is correct
70 Correct 11 ms 856 KB Output is correct
71 Correct 13 ms 860 KB Output is correct
72 Correct 13 ms 856 KB Output is correct
73 Correct 9 ms 860 KB Output is correct
74 Correct 9 ms 856 KB Output is correct
75 Correct 9 ms 860 KB Output is correct
76 Correct 9 ms 1004 KB Output is correct
77 Correct 8 ms 856 KB Output is correct
78 Correct 9 ms 1000 KB Output is correct
79 Correct 9 ms 860 KB Output is correct
80 Correct 8 ms 860 KB Output is correct
81 Correct 1524 ms 4356 KB Output is correct
82 Correct 1543 ms 4364 KB Output is correct
83 Correct 1511 ms 4360 KB Output is correct
84 Correct 1532 ms 4356 KB Output is correct
85 Correct 1523 ms 4356 KB Output is correct
86 Correct 1546 ms 4440 KB Output is correct
87 Correct 1522 ms 4184 KB Output is correct
88 Correct 157 ms 4188 KB Output is correct
89 Correct 156 ms 4184 KB Output is correct
90 Correct 398 ms 4436 KB Output is correct
91 Correct 379 ms 4184 KB Output is correct
92 Correct 752 ms 4184 KB Output is correct
93 Correct 765 ms 4188 KB Output is correct
94 Correct 1169 ms 4360 KB Output is correct
95 Correct 1142 ms 4356 KB Output is correct
96 Correct 1349 ms 4360 KB Output is correct
97 Correct 1354 ms 4432 KB Output is correct
98 Correct 1092 ms 4188 KB Output is correct
99 Correct 1056 ms 4356 KB Output is correct
100 Correct 1034 ms 4444 KB Output is correct
101 Correct 1066 ms 4364 KB Output is correct
102 Correct 1058 ms 4188 KB Output is correct
103 Correct 1049 ms 4184 KB Output is correct
104 Correct 1054 ms 4360 KB Output is correct
105 Correct 1071 ms 4188 KB Output is correct