oj.uz

Submission #570181

# Submission time Handle Problem Language Result Execution time Memory
570181 2022-05-28T20:05:29 Z XJP12 Mountains (NOI20_mountains) C++14
66 / 100
 2000 ms 2644 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
int main(){
  ll n;
  cin>>n;
  vector<ll> v(n);
  bool ban=true;
  for(ll i=0; i<n; i++){
     cin>>v[i];
     if(i>0 && ban==true){
        if(v[i]<v[i-1]) ban=false;
     }
  }
  if(ban==true){
     cout<<"0"<<endl;
     return 0;
  }
  ll cont=1;
  ll ans=0;
  ll a,b;
  while(cont<n-1){
     a=0;
     b=0;
     for(ll i=0; i<cont; i++){
        if(v[i]<v[cont]) a++;
     }
     for(ll i=cont+1; i<n; i++){
        if(v[i]<v[cont]) b++;
     }
     ans+=a*b;
     cont++;
  }
  cout<<ans<<endl;
   return 0;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 206 ms 2644 KB Output is correct
3 Correct 198 ms 2644 KB Output is correct
4 Correct 200 ms 2644 KB Output is correct
5 Correct 192 ms 2644 KB Output is correct
6 Correct 201 ms 2644 KB Output is correct
7 Correct 192 ms 2644 KB Output is correct
8 Correct 182 ms 2644 KB Output is correct
9 Correct 201 ms 2644 KB Output is correct
10 Correct 201 ms 2644 KB Output is correct

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2096 ms 2644 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2096 ms 2644 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 78 ms 352 KB Output is correct
12 Correct 78 ms 340 KB Output is correct
13 Correct 79 ms 360 KB Output is correct
14 Correct 81 ms 372 KB Output is correct
15 Correct 76 ms 368 KB Output is correct
16 Correct 87 ms 356 KB Output is correct
17 Correct 92 ms 356 KB Output is correct
18 Correct 79 ms 340 KB Output is correct
19 Correct 72 ms 340 KB Output is correct
20 Correct 0 ms 212 KB Output is correct

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2096 ms 2644 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 206 ms 2644 KB Output is correct
3 Correct 198 ms 2644 KB Output is correct
4 Correct 200 ms 2644 KB Output is correct
5 Correct 192 ms 2644 KB Output is correct
6 Correct 201 ms 2644 KB Output is correct
7 Correct 192 ms 2644 KB Output is correct
8 Correct 182 ms 2644 KB Output is correct
9 Correct 201 ms 2644 KB Output is correct
10 Correct 201 ms 2644 KB Output is correct
11 Execution timed out 2096 ms 2644 KB Time limit exceeded
12 Halted 0 ms 0 KB -