oj.uz

Submission #806593

# Submission time Handle Problem Language Result Execution time Memory
806593 2023-08-04T08:13:23 Z vjudge1 Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 479 ms 18524 KB 

#include <bits/stdc++.h>



using namespace std;

#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define fi first
#define se second
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"


const int N = 500 + 9 , mod = 1e9 + 7;
ll  d[N] = {} , a[N] = {},  b[N] , c[N];

ld dp[N][N];
ll sum[N][N];
multiset<pair<int,int>>st[N][N];

void del(int i , int j , int x , int y){
    sum[i][j] -= x;
    st[i][j].erase(st[i][j].find({x , y}));
}

void solve(){
    ll q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 1e18 , mx = 0;
    cin>>n>>k;
    vector<pair<ll,ll>>v, v1;
    multiset<ll>st;
    v.pb({-5 , -5});
    for(i = 1; i <= n; i++){
        cin>>a[i]>>b[i];
        if(b[i] == -1)
            b[i] = 1e13;
        v1.pb({a[i] , b[i]});
        v.pb({b[i] , a[i]});
        st.insert(a[i]);
    }
    sort(all(v));
    sort(all(v1));
    mn = 0;
    for(i = 0; i < k; i++)
        mn += v1[i].fi;
    sum[0][0] = 0;
    j = 1;
    for(auto it : st)
        sum[0][j] = sum[0][j - 1] + it ,j++;
    for(i = 1; i <= n; i++){
        st.erase(st.find(v[i].se));
        sum[i][0] = 0;
        j = 1;
        for(auto it : st)
            sum[i][j] = sum[i][j - 1] + it ,j++;
    }
    //cout<<mn<<"\n";
    ld ans = mn;
    for(x = 1; x <= k; x++){
        for(i = 1; i <= x; i++)
            dp[0][i] = 1e18;
        for(i = 1; i <= k; i++){
            for(j = 0; j <= x; j++){
                if(j == 0){
                    dp[i][j] = dp[i - 1][j] + v[i].se / (ld) (x + 1);
                    continue;
                }
                dp[i][j] = dp[i - 1][j] + v[i].se / (ld) (x + 1);
                dp[i][j] = min(dp[i][j] , dp[i - 1][j - 1] + v[i].fi / (ld) (j));
            }
            ans = min(ans , dp[i][x] + (sum[i][k - i]) / (ld) (x + 1));
        }
    }
    cout<<fixed<<setprecision(12)<<ans<<"\n";
}

int main(){
     TL;
     /*
     #ifndef ONLINE_JUDGE
     freopen("input.txt", "r", stdin);
     freopen("output.txt", "w", stdout);
     #endif
     */
int t = 1;
//cin>>t;

while(t--)
     {
     solve();
     }

}
// Author : حسن

Compilation message

Main.cpp: In function 'void solve()':
Main.cpp:38:8: warning: unused variable 'q' [-Wunused-variable]
   38 |     ll q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 1e18 , mx = 0;
      |        ^
Main.cpp:38:20: warning: unused variable 'm' [-Wunused-variable]
   38 |     ll q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                    ^
Main.cpp:38:26: warning: unused variable 'z' [-Wunused-variable]
   38 |     ll q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                          ^
Main.cpp:38:29: warning: unused variable 's' [-Wunused-variable]
   38 |     ll q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                             ^
Main.cpp:38:37: warning: unused variable 'f' [-Wunused-variable]
   38 |     ll q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                     ^
Main.cpp:38:41: warning: unused variable 'l' [-Wunused-variable]
   38 |     ll q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                         ^
Main.cpp:38:45: warning: unused variable 'r' [-Wunused-variable]
   38 |     ll q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                             ^
Main.cpp:38:57: warning: unused variable 'y' [-Wunused-variable]
   38 |     ll q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                         ^
Main.cpp:38:74: warning: unused variable 'mx' [-Wunused-variable]
   38 |     ll q , i , j , m ,n, z ,s = 0 , f , l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                                          ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12488 KB Output is correct
2 Correct 6 ms 12496 KB Output is correct
3 Correct 6 ms 12436 KB Output is correct
4 Correct 6 ms 12492 KB Output is correct
5 Correct 10 ms 14676 KB Output is correct
6 Correct 14 ms 15188 KB Output is correct
7 Correct 60 ms 16516 KB Output is correct
8 Correct 183 ms 17560 KB Output is correct
9 Correct 425 ms 18520 KB Output is correct
10 Correct 167 ms 17328 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12488 KB Output is correct
2 Correct 6 ms 12496 KB Output is correct
3 Correct 6 ms 12436 KB Output is correct
4 Correct 6 ms 12492 KB Output is correct
5 Correct 10 ms 14676 KB Output is correct
6 Correct 14 ms 15188 KB Output is correct
7 Correct 60 ms 16516 KB Output is correct
8 Correct 183 ms 17560 KB Output is correct
9 Correct 425 ms 18520 KB Output is correct
10 Correct 167 ms 17328 KB Output is correct
11 Correct 6 ms 12496 KB Output is correct
12 Correct 22 ms 15428 KB Output is correct
13 Correct 19 ms 15472 KB Output is correct
14 Correct 20 ms 15472 KB Output is correct
15 Correct 150 ms 17224 KB Output is correct
16 Correct 155 ms 17300 KB Output is correct
17 Correct 150 ms 17224 KB Output is correct
18 Correct 428 ms 18520 KB Output is correct
19 Correct 427 ms 18520 KB Output is correct
20 Correct 445 ms 18516 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 12500 KB Output is correct
2 Correct 6 ms 12544 KB Output is correct
3 Correct 6 ms 12476 KB Output is correct
4 Correct 5 ms 12500 KB Output is correct
5 Correct 5 ms 12500 KB Output is correct
6 Correct 6 ms 12496 KB Output is correct
7 Correct 7 ms 12612 KB Output is correct
8 Correct 7 ms 12500 KB Output is correct
9 Correct 7 ms 12544 KB Output is correct
10 Correct 6 ms 12500 KB Output is correct
11 Correct 7 ms 12500 KB Output is correct
12 Correct 7 ms 12500 KB Output is correct
13 Correct 6 ms 12552 KB Output is correct
14 Correct 7 ms 12496 KB Output is correct
15 Correct 6 ms 12568 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 12500 KB Output is correct
2 Correct 6 ms 12544 KB Output is correct
3 Correct 6 ms 12476 KB Output is correct
4 Correct 5 ms 12500 KB Output is correct
5 Correct 5 ms 12500 KB Output is correct
6 Correct 6 ms 12496 KB Output is correct
7 Correct 7 ms 12612 KB Output is correct
8 Correct 7 ms 12500 KB Output is correct
9 Correct 7 ms 12544 KB Output is correct
10 Correct 6 ms 12500 KB Output is correct
11 Correct 7 ms 12500 KB Output is correct
12 Correct 7 ms 12500 KB Output is correct
13 Correct 6 ms 12552 KB Output is correct
14 Correct 7 ms 12496 KB Output is correct
15 Correct 6 ms 12568 KB Output is correct
16 Correct 6 ms 12500 KB Output is correct
17 Correct 6 ms 12624 KB Output is correct
18 Correct 5 ms 12628 KB Output is correct
19 Correct 6 ms 12628 KB Output is correct
20 Correct 6 ms 12628 KB Output is correct
21 Correct 6 ms 12628 KB Output is correct
22 Correct 5 ms 12624 KB Output is correct
23 Correct 7 ms 12624 KB Output is correct
24 Correct 6 ms 12628 KB Output is correct
25 Correct 6 ms 12628 KB Output is correct
26 Correct 7 ms 12656 KB Output is correct
27 Correct 6 ms 12624 KB Output is correct
28 Correct 6 ms 12628 KB Output is correct
29 Correct 6 ms 12628 KB Output is correct
30 Correct 5 ms 12552 KB Output is correct
31 Correct 6 ms 12628 KB Output is correct
32 Correct 6 ms 12592 KB Output is correct
33 Correct 6 ms 12524 KB Output is correct
34 Correct 6 ms 12628 KB Output is correct
35 Correct 6 ms 12628 KB Output is correct
36 Correct 6 ms 12628 KB Output is correct
37 Correct 5 ms 12624 KB Output is correct
38 Correct 6 ms 12620 KB Output is correct
39 Correct 6 ms 12624 KB Output is correct
40 Correct 6 ms 12628 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 12500 KB Output is correct
2 Correct 6 ms 12544 KB Output is correct
3 Correct 6 ms 12476 KB Output is correct
4 Correct 5 ms 12500 KB Output is correct
5 Correct 5 ms 12500 KB Output is correct
6 Correct 6 ms 12496 KB Output is correct
7 Correct 7 ms 12612 KB Output is correct
8 Correct 7 ms 12500 KB Output is correct
9 Correct 7 ms 12544 KB Output is correct
10 Correct 6 ms 12500 KB Output is correct
11 Correct 7 ms 12500 KB Output is correct
12 Correct 7 ms 12500 KB Output is correct
13 Correct 6 ms 12552 KB Output is correct
14 Correct 7 ms 12496 KB Output is correct
15 Correct 6 ms 12568 KB Output is correct
16 Correct 6 ms 12500 KB Output is correct
17 Correct 6 ms 12624 KB Output is correct
18 Correct 5 ms 12628 KB Output is correct
19 Correct 6 ms 12628 KB Output is correct
20 Correct 6 ms 12628 KB Output is correct
21 Correct 6 ms 12628 KB Output is correct
22 Correct 5 ms 12624 KB Output is correct
23 Correct 7 ms 12624 KB Output is correct
24 Correct 6 ms 12628 KB Output is correct
25 Correct 6 ms 12628 KB Output is correct
26 Correct 7 ms 12656 KB Output is correct
27 Correct 6 ms 12624 KB Output is correct
28 Correct 6 ms 12628 KB Output is correct
29 Correct 6 ms 12628 KB Output is correct
30 Correct 5 ms 12552 KB Output is correct
31 Correct 6 ms 12628 KB Output is correct
32 Correct 6 ms 12592 KB Output is correct
33 Correct 6 ms 12524 KB Output is correct
34 Correct 6 ms 12628 KB Output is correct
35 Correct 6 ms 12628 KB Output is correct
36 Correct 6 ms 12628 KB Output is correct
37 Correct 5 ms 12624 KB Output is correct
38 Correct 6 ms 12620 KB Output is correct
39 Correct 6 ms 12624 KB Output is correct
40 Correct 6 ms 12628 KB Output is correct
41 Correct 6 ms 12884 KB Output is correct
42 Correct 5 ms 12884 KB Output is correct
43 Correct 6 ms 13012 KB Output is correct
44 Correct 6 ms 13016 KB Output is correct
45 Correct 7 ms 13072 KB Output is correct
46 Correct 6 ms 13140 KB Output is correct
47 Correct 7 ms 13268 KB Output is correct
48 Correct 7 ms 13140 KB Output is correct
49 Correct 10 ms 13264 KB Output is correct
50 Correct 8 ms 13268 KB Output is correct
51 Correct 10 ms 13452 KB Output is correct
52 Correct 10 ms 13392 KB Output is correct
53 Correct 7 ms 13260 KB Output is correct
54 Correct 7 ms 13268 KB Output is correct
55 Correct 8 ms 13172 KB Output is correct
56 Correct 7 ms 13268 KB Output is correct
57 Correct 7 ms 13216 KB Output is correct
58 Correct 7 ms 13260 KB Output is correct
59 Correct 7 ms 13264 KB Output is correct
60 Correct 10 ms 13240 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 479 ms 18520 KB Output is correct
2 Correct 434 ms 18520 KB Output is correct
3 Correct 420 ms 18524 KB Output is correct
4 Correct 431 ms 18512 KB Output is correct
5 Correct 427 ms 18520 KB Output is correct
6 Correct 423 ms 18520 KB Output is correct
7 Correct 428 ms 18468 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12488 KB Output is correct
2 Correct 6 ms 12496 KB Output is correct
3 Correct 6 ms 12436 KB Output is correct
4 Correct 6 ms 12492 KB Output is correct
5 Correct 10 ms 14676 KB Output is correct
6 Correct 14 ms 15188 KB Output is correct
7 Correct 60 ms 16516 KB Output is correct
8 Correct 183 ms 17560 KB Output is correct
9 Correct 425 ms 18520 KB Output is correct
10 Correct 167 ms 17328 KB Output is correct
11 Correct 6 ms 12496 KB Output is correct
12 Correct 22 ms 15428 KB Output is correct
13 Correct 19 ms 15472 KB Output is correct
14 Correct 20 ms 15472 KB Output is correct
15 Correct 150 ms 17224 KB Output is correct
16 Correct 155 ms 17300 KB Output is correct
17 Correct 150 ms 17224 KB Output is correct
18 Correct 428 ms 18520 KB Output is correct
19 Correct 427 ms 18520 KB Output is correct
20 Correct 445 ms 18516 KB Output is correct
21 Correct 5 ms 12500 KB Output is correct
22 Correct 6 ms 12544 KB Output is correct
23 Correct 6 ms 12476 KB Output is correct
24 Correct 5 ms 12500 KB Output is correct
25 Correct 5 ms 12500 KB Output is correct
26 Correct 6 ms 12496 KB Output is correct
27 Correct 7 ms 12612 KB Output is correct
28 Correct 7 ms 12500 KB Output is correct
29 Correct 7 ms 12544 KB Output is correct
30 Correct 6 ms 12500 KB Output is correct
31 Correct 7 ms 12500 KB Output is correct
32 Correct 7 ms 12500 KB Output is correct
33 Correct 6 ms 12552 KB Output is correct
34 Correct 7 ms 12496 KB Output is correct
35 Correct 6 ms 12568 KB Output is correct
36 Correct 6 ms 12500 KB Output is correct
37 Correct 6 ms 12624 KB Output is correct
38 Correct 5 ms 12628 KB Output is correct
39 Correct 6 ms 12628 KB Output is correct
40 Correct 6 ms 12628 KB Output is correct
41 Correct 6 ms 12628 KB Output is correct
42 Correct 5 ms 12624 KB Output is correct
43 Correct 7 ms 12624 KB Output is correct
44 Correct 6 ms 12628 KB Output is correct
45 Correct 6 ms 12628 KB Output is correct
46 Correct 7 ms 12656 KB Output is correct
47 Correct 6 ms 12624 KB Output is correct
48 Correct 6 ms 12628 KB Output is correct
49 Correct 6 ms 12628 KB Output is correct
50 Correct 5 ms 12552 KB Output is correct
51 Correct 6 ms 12628 KB Output is correct
52 Correct 6 ms 12592 KB Output is correct
53 Correct 6 ms 12524 KB Output is correct
54 Correct 6 ms 12628 KB Output is correct
55 Correct 6 ms 12628 KB Output is correct
56 Correct 6 ms 12628 KB Output is correct
57 Correct 5 ms 12624 KB Output is correct
58 Correct 6 ms 12620 KB Output is correct
59 Correct 6 ms 12624 KB Output is correct
60 Correct 6 ms 12628 KB Output is correct
61 Correct 6 ms 12884 KB Output is correct
62 Correct 5 ms 12884 KB Output is correct
63 Correct 6 ms 13012 KB Output is correct
64 Correct 6 ms 13016 KB Output is correct
65 Correct 7 ms 13072 KB Output is correct
66 Correct 6 ms 13140 KB Output is correct
67 Correct 7 ms 13268 KB Output is correct
68 Correct 7 ms 13140 KB Output is correct
69 Correct 10 ms 13264 KB Output is correct
70 Correct 8 ms 13268 KB Output is correct
71 Correct 10 ms 13452 KB Output is correct
72 Correct 10 ms 13392 KB Output is correct
73 Correct 7 ms 13260 KB Output is correct
74 Correct 7 ms 13268 KB Output is correct
75 Correct 8 ms 13172 KB Output is correct
76 Correct 7 ms 13268 KB Output is correct
77 Correct 7 ms 13216 KB Output is correct
78 Correct 7 ms 13260 KB Output is correct
79 Correct 7 ms 13264 KB Output is correct
80 Correct 10 ms 13240 KB Output is correct
81 Correct 479 ms 18520 KB Output is correct
82 Correct 434 ms 18520 KB Output is correct
83 Correct 420 ms 18524 KB Output is correct
84 Correct 431 ms 18512 KB Output is correct
85 Correct 427 ms 18520 KB Output is correct
86 Correct 423 ms 18520 KB Output is correct
87 Correct 428 ms 18468 KB Output is correct
88 Correct 7 ms 14676 KB Output is correct
89 Correct 7 ms 14676 KB Output is correct
90 Correct 15 ms 15204 KB Output is correct
91 Correct 14 ms 15164 KB Output is correct
92 Correct 65 ms 16520 KB Output is correct
93 Correct 61 ms 16436 KB Output is correct
94 Correct 184 ms 17524 KB Output is correct
95 Correct 185 ms 17456 KB Output is correct
96 Correct 313 ms 18120 KB Output is correct
97 Correct 327 ms 18080 KB Output is correct
98 Correct 174 ms 17276 KB Output is correct
99 Correct 149 ms 17220 KB Output is correct
100 Correct 149 ms 17204 KB Output is correct
101 Correct 158 ms 17328 KB Output is correct
102 Correct 149 ms 17328 KB Output is correct
103 Correct 157 ms 17300 KB Output is correct
104 Correct 150 ms 17228 KB Output is correct
105 Correct 161 ms 17324 KB Output is correct