oj.uz

Submission #963952

# Submission time Handle Problem Language Result Execution time Memory
963952 2024-04-16T05:23:08 Z Aiperiii Money (IZhO17_money) C++14
45 / 100
 221 ms 262144 KB 
#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
const int N=1e3+5;
int cnt[N][N];
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    vector <int> a(n+1);
    vector <int> sr;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    vector <int> v;
    vector <vector <int> > vec;
    vec.pb({});
    for(int i=1;i<=n;i++){
        v.pb(a[i]);
        vec.pb(v);
    }
    for(int i=0;i<vec.size();i++){
        sort(all(vec[i]));
    }
    for(int i=0;i<=n;i++){
        for(int j=0;j<=n;j++){
            cnt[i][j]=1e9;
        }
    }
    cnt[0][0]=0;
    for(int i=1;i<=n;i++){
        for(int j=i;j<=n;j++){
            int mn=1e9,ind=-1;
            for(int k=j;k>=i;k--){
                bool ok=0;
                auto it=upper_bound(all(vec[k-1]),a[k]);
                if(it==vec[k-1].end() or *it>=a[j])ok=1;
                if(ok){
                    cnt[i][j]=min(cnt[i][j],cnt[i-1][k-1]+1);
                }
                if(k-1>=i && a[k]<a[k-1])break;
            }
        }
    }
    for(int i=1;i<=n;i++){
        if(cnt[i][n]!=1e9){
            cout<<i<<"\n";return 0;
        }
    }
}

/*
6
3 6 4 5 1 2
*/

Compilation message

money.cpp: In function 'int main()':
money.cpp:27:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for(int i=0;i<vec.size();i++){
      |                 ~^~~~~~~~~~~
money.cpp:38:17: warning: unused variable 'mn' [-Wunused-variable]
   38 |             int mn=1e9,ind=-1;
      |                 ^~
money.cpp:38:24: warning: unused variable 'ind' [-Wunused-variable]
   38 |             int mn=1e9,ind=-1;
      |                        ^~~

Subtask #1
9.0 / 9.0

# 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 448 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 1 ms 348 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 1 ms 448 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 348 KB Output is correct
16 Correct 0 ms 444 KB Output is correct

Subtask #2
16.0 / 16.0

# 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 448 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 1 ms 348 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 1 ms 448 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 348 KB Output is correct
16 Correct 0 ms 444 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 504 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 0 ms 444 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# 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 448 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 1 ms 348 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 1 ms 448 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 348 KB Output is correct
16 Correct 0 ms 444 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 504 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 0 ms 444 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 2 ms 2656 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2460 KB Output is correct
32 Correct 3 ms 4956 KB Output is correct
33 Correct 3 ms 4956 KB Output is correct
34 Correct 3 ms 4956 KB Output is correct
35 Correct 3 ms 4952 KB Output is correct
36 Correct 5 ms 4956 KB Output is correct
37 Correct 3 ms 4956 KB Output is correct
38 Correct 3 ms 4952 KB Output is correct

Subtask #4
0 / 55.0

# 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 448 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 1 ms 348 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 1 ms 448 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 348 KB Output is correct
16 Correct 0 ms 444 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 504 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 0 ms 444 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 2 ms 2656 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2460 KB Output is correct
32 Correct 3 ms 4956 KB Output is correct
33 Correct 3 ms 4956 KB Output is correct
34 Correct 3 ms 4956 KB Output is correct
35 Correct 3 ms 4952 KB Output is correct
36 Correct 5 ms 4956 KB Output is correct
37 Correct 3 ms 4956 KB Output is correct
38 Correct 3 ms 4952 KB Output is correct
39 Runtime error 221 ms 262144 KB Execution killed with signal 9
40 Halted 0 ms 0 KB -