oj.uz

Submission #656353

# Submission time Handle Problem Language Result Execution time Memory
656353 2022-11-07T03:18:54 Z aSSSd Discharging (NOI20_discharging) C++14
47 / 100
 363 ms 205808 KB 
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l,int r)
{
    return l+rng()%(r-l+1);
}
#define fasty ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define forinc(x,a,b) for(int x=a;x<=b;x++)
#define fordec(x,a,b) for(int x=a;x>=b;x--)
#define iii pair<ii,int>
#define fi first
#define se second
#define ii pair<int,int>
#define getbit(x,i) ((x>>(i))&1)
#define batbit(x,i) (x|(1ll<<(i)))
#define tatbit(x,i) (x&~(1<<(i)))
#define endl '\n'
#define pb push_back
#define int long long
const int N = 1e6 + 10;
int n, t[N];
int f[N][23];
int lg[N];
int dp[N];
int get(int l, int r)
{
    int p = lg[r-l+1];
    return max(f[l][p] , f[r - (1<<p) + 1][p]);
}
int cost(int j, int i)
{
    return dp[j] + get(j+1,i)*(n-j);
}
int inc=1;
int decc=1;
main()
{
    //freopen("task.inp" , "r" , stdin);
    fasty;
    cin >> n;
    forinc(i,1,n)
    {
        cin >> t[i];
        f[i][0] = t[i];
    }
    forinc(i,1,n-1)
    {
        if(t[i] > t[i+1]) inc=0;
        if(t[i] < t[i+1]) decc=0;
    }
    forinc(i,2,n) lg[i] = lg[i/2] + 1;
    forinc(j,1,20)
    {
        for(int i=1 ; i + (1<<j) - 1 <= n ; i++)
        {
            f[i][j] = max(f[i][j-1] , f[i + (1<<(j-1) )][j-1]);
        }
    }
    if(n<=7000)
    {
        memset(dp , 127, sizeof dp);
        dp[0]=0;
        forinc(i,1,n)
        {
            fordec(j,i-1,0) dp[i] = min(dp[i] ,cost(j,i));
        }
        cout << dp[n];
        return 0;
    }
    if(decc == 1)
    {
        int sum=0;
        int res = t[1] * n;
        cout << res << "\n";
        return 0;
    }


}

Compilation message

Discharging.cpp:37:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   37 | main()
      | ^~~~
Discharging.cpp: In function 'int main()':
Discharging.cpp:73:13: warning: unused variable 'sum' [-Wunused-variable]
   73 |         int sum=0;
      |             ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8140 KB Output is correct
2 Correct 3 ms 8140 KB Output is correct
3 Correct 4 ms 8148 KB Output is correct
4 Correct 4 ms 8148 KB Output is correct
5 Correct 3 ms 8164 KB Output is correct
6 Correct 4 ms 8144 KB Output is correct
7 Correct 5 ms 8148 KB Output is correct
8 Correct 3 ms 8148 KB Output is correct
9 Correct 4 ms 8148 KB Output is correct
10 Correct 4 ms 8148 KB Output is correct
11 Correct 3 ms 8148 KB Output is correct
12 Correct 3 ms 8148 KB Output is correct
13 Correct 3 ms 8148 KB Output is correct
14 Correct 3 ms 8136 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 8532 KB Output is correct
2 Correct 6 ms 8404 KB Output is correct
3 Correct 8 ms 8404 KB Output is correct
4 Correct 7 ms 8408 KB Output is correct
5 Correct 8 ms 8404 KB Output is correct
6 Correct 7 ms 8404 KB Output is correct
7 Correct 7 ms 8404 KB Output is correct
8 Correct 7 ms 8404 KB Output is correct
9 Correct 9 ms 8404 KB Output is correct
10 Correct 7 ms 8396 KB Output is correct
11 Correct 8 ms 8404 KB Output is correct
12 Correct 9 ms 8404 KB Output is correct
13 Correct 7 ms 8404 KB Output is correct
14 Correct 7 ms 8404 KB Output is correct
15 Correct 6 ms 8400 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 8532 KB Output is correct
2 Correct 6 ms 8404 KB Output is correct
3 Correct 8 ms 8404 KB Output is correct
4 Correct 7 ms 8408 KB Output is correct
5 Correct 8 ms 8404 KB Output is correct
6 Correct 7 ms 8404 KB Output is correct
7 Correct 7 ms 8404 KB Output is correct
8 Correct 7 ms 8404 KB Output is correct
9 Correct 9 ms 8404 KB Output is correct
10 Correct 7 ms 8396 KB Output is correct
11 Correct 8 ms 8404 KB Output is correct
12 Correct 9 ms 8404 KB Output is correct
13 Correct 7 ms 8404 KB Output is correct
14 Correct 7 ms 8404 KB Output is correct
15 Correct 6 ms 8400 KB Output is correct
16 Incorrect 315 ms 201080 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 342 ms 205764 KB Output is correct
2 Correct 349 ms 205696 KB Output is correct
3 Correct 363 ms 205684 KB Output is correct
4 Correct 362 ms 205692 KB Output is correct
5 Correct 348 ms 205808 KB Output is correct
6 Correct 360 ms 205764 KB Output is correct
7 Correct 333 ms 205608 KB Output is correct
8 Correct 350 ms 205696 KB Output is correct
9 Correct 332 ms 205692 KB Output is correct
10 Correct 359 ms 205716 KB Output is correct

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8140 KB Output is correct
2 Correct 3 ms 8140 KB Output is correct
3 Correct 4 ms 8148 KB Output is correct
4 Correct 4 ms 8148 KB Output is correct
5 Correct 3 ms 8164 KB Output is correct
6 Correct 4 ms 8144 KB Output is correct
7 Correct 5 ms 8148 KB Output is correct
8 Correct 3 ms 8148 KB Output is correct
9 Correct 4 ms 8148 KB Output is correct
10 Correct 4 ms 8148 KB Output is correct
11 Correct 3 ms 8148 KB Output is correct
12 Correct 3 ms 8148 KB Output is correct
13 Correct 3 ms 8148 KB Output is correct
14 Correct 3 ms 8136 KB Output is correct
15 Correct 7 ms 8532 KB Output is correct
16 Correct 6 ms 8404 KB Output is correct
17 Correct 8 ms 8404 KB Output is correct
18 Correct 7 ms 8408 KB Output is correct
19 Correct 8 ms 8404 KB Output is correct
20 Correct 7 ms 8404 KB Output is correct
21 Correct 7 ms 8404 KB Output is correct
22 Correct 7 ms 8404 KB Output is correct
23 Correct 9 ms 8404 KB Output is correct
24 Correct 7 ms 8396 KB Output is correct
25 Correct 8 ms 8404 KB Output is correct
26 Correct 9 ms 8404 KB Output is correct
27 Correct 7 ms 8404 KB Output is correct
28 Correct 7 ms 8404 KB Output is correct
29 Correct 6 ms 8400 KB Output is correct
30 Correct 7 ms 8404 KB Output is correct
31 Correct 9 ms 8480 KB Output is correct
32 Correct 6 ms 8488 KB Output is correct
33 Correct 7 ms 8404 KB Output is correct
34 Correct 7 ms 8404 KB Output is correct
35 Correct 7 ms 8400 KB Output is correct
36 Correct 7 ms 8404 KB Output is correct
37 Correct 7 ms 8404 KB Output is correct
38 Correct 7 ms 8404 KB Output is correct
39 Correct 7 ms 8400 KB Output is correct
40 Correct 7 ms 8404 KB Output is correct
41 Correct 7 ms 8404 KB Output is correct
42 Correct 7 ms 8404 KB Output is correct
43 Correct 7 ms 8404 KB Output is correct
44 Correct 8 ms 8404 KB Output is correct
45 Correct 9 ms 8404 KB Output is correct
46 Correct 6 ms 8400 KB Output is correct
47 Correct 7 ms 8404 KB Output is correct
48 Correct 6 ms 8404 KB Output is correct
49 Correct 6 ms 8404 KB Output is correct
50 Correct 6 ms 8404 KB Output is correct

Subtask #6
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8140 KB Output is correct
2 Correct 3 ms 8140 KB Output is correct
3 Correct 4 ms 8148 KB Output is correct
4 Correct 4 ms 8148 KB Output is correct
5 Correct 3 ms 8164 KB Output is correct
6 Correct 4 ms 8144 KB Output is correct
7 Correct 5 ms 8148 KB Output is correct
8 Correct 3 ms 8148 KB Output is correct
9 Correct 4 ms 8148 KB Output is correct
10 Correct 4 ms 8148 KB Output is correct
11 Correct 3 ms 8148 KB Output is correct
12 Correct 3 ms 8148 KB Output is correct
13 Correct 3 ms 8148 KB Output is correct
14 Correct 3 ms 8136 KB Output is correct
15 Correct 7 ms 8532 KB Output is correct
16 Correct 6 ms 8404 KB Output is correct
17 Correct 8 ms 8404 KB Output is correct
18 Correct 7 ms 8408 KB Output is correct
19 Correct 8 ms 8404 KB Output is correct
20 Correct 7 ms 8404 KB Output is correct
21 Correct 7 ms 8404 KB Output is correct
22 Correct 7 ms 8404 KB Output is correct
23 Correct 9 ms 8404 KB Output is correct
24 Correct 7 ms 8396 KB Output is correct
25 Correct 8 ms 8404 KB Output is correct
26 Correct 9 ms 8404 KB Output is correct
27 Correct 7 ms 8404 KB Output is correct
28 Correct 7 ms 8404 KB Output is correct
29 Correct 6 ms 8400 KB Output is correct
30 Incorrect 315 ms 201080 KB Output isn't correct
31 Halted 0 ms 0 KB -