oj.uz

Submission #923791

# Submission time Handle Problem Language Result Execution time Memory
923791 2024-02-07T18:52:18 Z Amr Let's Win the Election (JOI22_ho_t3) C++14
28 / 100
 2500 ms 692 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define S second
#define F first
#define all(x) (x).begin(),(x).end()
#define sz size()
#define Yes cout << "YES" << endl
#define No cout << "NO" << endl
#define pb(x) push_back(x);
#define endl '\n'
#define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
const int N=3e5+7;
ll INF=INT_MAX,mod=1e9+7;
int TT=1;
ll power(ll x, unsigned int y)
{
    ll res = 1;
    x = x; // % mod;
    if (x == 0) return 0;
    while (y > 0)
    {
        if (y & 1) res = (res*x)  ; // % mod;
        y = y>>1;
        x = (x*x) ; // % mod;
    }
    return res;
}
ll n , k;
pair<ll,ll> a[N];
vector<ll> v;
vector<ll> v2;
bool cmp(pair<ll,ll> x , pair<ll,ll> y)
{
    return x.S < y.S;
}
void solve()
{
    cin >> n >> k;
    for(int i = 1; i <= n ;i++) cin >> a[i].F >> a[i].S;
   // sort(a+1,a+1+n,cmp);
    ld allmn = 1e18;
    for(int mask = 0; mask < (1<<n); mask++)
    {
        v.clear(); v2.clear();
        if(__builtin_popcount(mask)>k) continue;
       // cout << mask << ": " << endl;
        bool notgood = 0;
        for(int bit = 0; bit < n; bit++)
        {

            bool cur = (mask>>bit)&1;
            //cout << cur;
            if(cur==1&&a[bit+1].S==-1) {notgood = 1; break;}
            if(cur==1)
            {
                v2.push_back(a[bit+1].S);
            }
            else
            {
                v.push_back(a[bit+1].F);
            }
        }
       // cout << endl;
        if(notgood==1) continue;
        sort(all(v));
        sort(all(v2));
        ld num = 1;
        ld cursum = 0;

        for(int i = 0; i < v2.sz; i++) {cursum+= v2[i]/num/1.0; num++;}
        for(int i = 0; i < k-__builtin_popcount(mask); i++) cursum += v[i]/(num)/1.0;
        allmn = min(allmn,cursum);
       // cout << cursum << endl;

    }
    cout << fixed << setprecision(10) << allmn << endl;
}
int main(){
    //freopen("friday.in","r",stdin);
    //freopen("friday.out","w",stdout);
    fast;
   // cin >> TT;
    while(TT--)
        solve();

    return 0;
}

Compilation message

Main.cpp: In function 'void solve()':
Main.cpp:72:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |         for(int i = 0; i < v2.sz; i++) {cursum+= v2[i]/num/1.0; num++;}
      |                          ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 7 ms 348 KB Output is correct
6 Correct 7 ms 348 KB Output is correct
7 Correct 7 ms 480 KB Output is correct
8 Correct 7 ms 344 KB Output is correct
9 Correct 7 ms 480 KB Output is correct
10 Correct 7 ms 348 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 7 ms 348 KB Output is correct
6 Correct 7 ms 348 KB Output is correct
7 Correct 7 ms 480 KB Output is correct
8 Correct 7 ms 344 KB Output is correct
9 Correct 7 ms 480 KB Output is correct
10 Correct 7 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Execution timed out 2528 ms 472 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #3
11.0 / 11.0

# 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 348 KB Output is correct
4 Correct 0 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 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct

Subtask #4
12.0 / 12.0

# 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 348 KB Output is correct
4 Correct 0 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 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 4 ms 348 KB Output is correct
17 Correct 94 ms 348 KB Output is correct
18 Correct 28 ms 592 KB Output is correct
19 Correct 218 ms 440 KB Output is correct
20 Correct 35 ms 348 KB Output is correct
21 Correct 32 ms 348 KB Output is correct
22 Correct 222 ms 448 KB Output is correct
23 Correct 35 ms 344 KB Output is correct
24 Correct 11 ms 344 KB Output is correct
25 Correct 252 ms 348 KB Output is correct
26 Correct 117 ms 436 KB Output is correct
27 Correct 225 ms 436 KB Output is correct
28 Correct 214 ms 348 KB Output is correct
29 Correct 223 ms 348 KB Output is correct
30 Correct 234 ms 436 KB Output is correct
31 Correct 215 ms 444 KB Output is correct
32 Correct 221 ms 440 KB Output is correct
33 Correct 217 ms 348 KB Output is correct
34 Correct 218 ms 344 KB Output is correct
35 Correct 221 ms 596 KB Output is correct
36 Correct 224 ms 692 KB Output is correct
37 Correct 216 ms 348 KB Output is correct
38 Correct 206 ms 596 KB Output is correct
39 Correct 235 ms 348 KB Output is correct
40 Correct 214 ms 348 KB Output is correct

Subtask #5
0 / 33.0

# 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 348 KB Output is correct
4 Correct 0 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 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 4 ms 348 KB Output is correct
17 Correct 94 ms 348 KB Output is correct
18 Correct 28 ms 592 KB Output is correct
19 Correct 218 ms 440 KB Output is correct
20 Correct 35 ms 348 KB Output is correct
21 Correct 32 ms 348 KB Output is correct
22 Correct 222 ms 448 KB Output is correct
23 Correct 35 ms 344 KB Output is correct
24 Correct 11 ms 344 KB Output is correct
25 Correct 252 ms 348 KB Output is correct
26 Correct 117 ms 436 KB Output is correct
27 Correct 225 ms 436 KB Output is correct
28 Correct 214 ms 348 KB Output is correct
29 Correct 223 ms 348 KB Output is correct
30 Correct 234 ms 436 KB Output is correct
31 Correct 215 ms 444 KB Output is correct
32 Correct 221 ms 440 KB Output is correct
33 Correct 217 ms 348 KB Output is correct
34 Correct 218 ms 344 KB Output is correct
35 Correct 221 ms 596 KB Output is correct
36 Correct 224 ms 692 KB Output is correct
37 Correct 216 ms 348 KB Output is correct
38 Correct 206 ms 596 KB Output is correct
39 Correct 235 ms 348 KB Output is correct
40 Correct 214 ms 348 KB Output is correct
41 Incorrect 0 ms 344 KB Output isn't correct
42 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2547 ms 464 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 7 ms 348 KB Output is correct
6 Correct 7 ms 348 KB Output is correct
7 Correct 7 ms 480 KB Output is correct
8 Correct 7 ms 344 KB Output is correct
9 Correct 7 ms 480 KB Output is correct
10 Correct 7 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Execution timed out 2528 ms 472 KB Time limit exceeded
13 Halted 0 ms 0 KB -