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Submission #578690

# Submission time Handle Problem Language Result Execution time Memory
578690 2022-06-17T15:33:57 Z Trisanu_Das Baloni (COCI15_baloni) C++17
100 / 100
 228 ms 3712 KB 
#include <bits/stdc++.h>
using namespace std;
#define H 1000001

int a[H], cnt[H];

int main(){
  int n; cin >> n;
  for(int i = 0; i < n; i++) cin >> a[i];
  int ans = 0;
  for(int i = n - 1; i > -1; i--){
    cnt[a[i]]++;
    if(cnt[a[i] - 1]) cnt[a[i] - 1]--; else ans++;
  }
  cout << ans << '\n';
}

Subtask #1
100.0 / 100.0

# 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 2 ms 212 KB Output is correct
4 Correct 2 ms 324 KB Output is correct
5 Correct 182 ms 3296 KB Output is correct
6 Correct 179 ms 3712 KB Output is correct
7 Correct 159 ms 3148 KB Output is correct
8 Correct 149 ms 3108 KB Output is correct
9 Correct 187 ms 3260 KB Output is correct
10 Correct 228 ms 3372 KB Output is correct