oj.uz

Submission #681803

# Submission time Handle Problem Language Result Execution time Memory
681803 2023-01-14T12:50:43 Z vicious Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 244 ms 2380 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define fi first
#define si second
typedef pair<int,int> pi;
typedef pair<double,double> pd;
typedef tuple<int,int,int> ti;  
template<typename T> bool chmin(T &a, T b){return (b < a) ? a = b, 1 : 0;}
template<typename T> bool chmax(T &a, T b){return (b > a) ? a = b, 1 : 0;}
void debug_out() {cerr<<endl;}
template <typename Head, typename... Tail>
void debug_out(Head _H, Tail... _T) {cerr<<" "<<to_string(_H);debug_out(_T...);}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:",debug_out(__VA_ARGS__)
const int N = 510;
const double INF=1e9;
int n,k,cnt;
double dp[N][N];
pd arr[N];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin.exceptions(ios::badbit|ios::failbit);
    cin >> n >> k;
    for (int i = 1; i <= n; ++i) {
        cin >> arr[i].si >> arr[i].fi;
        if (arr[i].fi==-1) arr[i].fi=INF;
    }   
    double ans = INF;
    sort(arr+1,arr+1+n);
    for (int m = 0; m <= k; ++m) { //no. collab
        for (int i = 0; i <= n; ++i) for (int j = 0; j <= n; ++j) {
            dp[i][j]=INF;
        }
        dp[0][0]=0;
        for (int i = 1; i <= n; ++i) {
            for (int j = 0; j <= i; ++j) { //no. non collab
                double va = arr[i].si/(m+1);
                double vb = arr[i].fi/min(i-j,m);
                chmin(dp[i][j],dp[i-1][j]+vb);
                if (i-j>m) chmin(dp[i][j],dp[i-1][j]);
                if (j) chmin(dp[i][j],dp[i-1][j-1]+va);
            }
        }
        chmin(ans,dp[n][k-m]);
    }
    cout << fixed << setprecision(10);
    cout << ans;
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 30 ms 2332 KB Output is correct
6 Correct 53 ms 2260 KB Output is correct
7 Correct 103 ms 2316 KB Output is correct
8 Correct 150 ms 2320 KB Output is correct
9 Correct 233 ms 2312 KB Output is correct
10 Correct 159 ms 2248 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 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 30 ms 2332 KB Output is correct
6 Correct 53 ms 2260 KB Output is correct
7 Correct 103 ms 2316 KB Output is correct
8 Correct 150 ms 2320 KB Output is correct
9 Correct 233 ms 2312 KB Output is correct
10 Correct 159 ms 2248 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 74 ms 2316 KB Output is correct
13 Correct 100 ms 2252 KB Output is correct
14 Correct 72 ms 2252 KB Output is correct
15 Correct 152 ms 2260 KB Output is correct
16 Correct 158 ms 2316 KB Output is correct
17 Correct 159 ms 2316 KB Output is correct
18 Correct 244 ms 2312 KB Output is correct
19 Correct 216 ms 2332 KB Output is correct
20 Correct 218 ms 2320 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 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 0 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 1 ms 340 KB Output is correct
12 Correct 1 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 1 ms 332 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 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 0 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 1 ms 340 KB Output is correct
12 Correct 1 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 1 ms 332 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 328 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 328 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 328 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 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 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 0 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 1 ms 340 KB Output is correct
12 Correct 1 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 1 ms 332 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 328 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 328 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 328 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 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 2 ms 708 KB Output is correct
45 Correct 2 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 4 ms 712 KB Output is correct
49 Correct 3 ms 724 KB Output is correct
50 Correct 3 ms 708 KB Output is correct
51 Correct 3 ms 724 KB Output is correct
52 Correct 3 ms 708 KB Output is correct
53 Correct 2 ms 724 KB Output is correct
54 Correct 2 ms 724 KB Output is correct
55 Correct 3 ms 852 KB Output is correct
56 Correct 2 ms 724 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 716 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 222 ms 2316 KB Output is correct
2 Correct 230 ms 2324 KB Output is correct
3 Correct 225 ms 2320 KB Output is correct
4 Correct 227 ms 2372 KB Output is correct
5 Correct 223 ms 2324 KB Output is correct
6 Correct 233 ms 2324 KB Output is correct
7 Correct 223 ms 2324 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 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 30 ms 2332 KB Output is correct
6 Correct 53 ms 2260 KB Output is correct
7 Correct 103 ms 2316 KB Output is correct
8 Correct 150 ms 2320 KB Output is correct
9 Correct 233 ms 2312 KB Output is correct
10 Correct 159 ms 2248 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 74 ms 2316 KB Output is correct
13 Correct 100 ms 2252 KB Output is correct
14 Correct 72 ms 2252 KB Output is correct
15 Correct 152 ms 2260 KB Output is correct
16 Correct 158 ms 2316 KB Output is correct
17 Correct 159 ms 2316 KB Output is correct
18 Correct 244 ms 2312 KB Output is correct
19 Correct 216 ms 2332 KB Output is correct
20 Correct 218 ms 2320 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 324 KB Output is correct
27 Correct 0 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 1 ms 340 KB Output is correct
32 Correct 1 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 1 ms 332 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 328 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 328 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 1 ms 344 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 0 ms 328 KB Output is correct
56 Correct 0 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 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 2 ms 708 KB Output is correct
65 Correct 2 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 4 ms 712 KB Output is correct
69 Correct 3 ms 724 KB Output is correct
70 Correct 3 ms 708 KB Output is correct
71 Correct 3 ms 724 KB Output is correct
72 Correct 3 ms 708 KB Output is correct
73 Correct 2 ms 724 KB Output is correct
74 Correct 2 ms 724 KB Output is correct
75 Correct 3 ms 852 KB Output is correct
76 Correct 2 ms 724 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 716 KB Output is correct
80 Correct 2 ms 724 KB Output is correct
81 Correct 222 ms 2316 KB Output is correct
82 Correct 230 ms 2324 KB Output is correct
83 Correct 225 ms 2320 KB Output is correct
84 Correct 227 ms 2372 KB Output is correct
85 Correct 223 ms 2324 KB Output is correct
86 Correct 233 ms 2324 KB Output is correct
87 Correct 223 ms 2324 KB Output is correct
88 Correct 24 ms 2260 KB Output is correct
89 Correct 37 ms 2312 KB Output is correct
90 Correct 69 ms 2260 KB Output is correct
91 Correct 76 ms 2252 KB Output is correct
92 Correct 117 ms 2260 KB Output is correct
93 Correct 118 ms 2320 KB Output is correct
94 Correct 173 ms 2316 KB Output is correct
95 Correct 176 ms 2320 KB Output is correct
96 Correct 201 ms 2316 KB Output is correct
97 Correct 205 ms 2320 KB Output is correct
98 Correct 182 ms 2332 KB Output is correct
99 Correct 180 ms 2260 KB Output is correct
100 Correct 183 ms 2380 KB Output is correct
101 Correct 159 ms 2312 KB Output is correct
102 Correct 160 ms 2260 KB Output is correct
103 Correct 167 ms 2324 KB Output is correct
104 Correct 159 ms 2316 KB Output is correct
105 Correct 156 ms 2264 KB Output is correct