# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
491169 |
2021-11-30T16:42:16 Z |
inksamurai |
Po (COCI21_po) |
C++17 |
|
14 ms |
1100 KB |
#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define rep(i,n) for(int i=0;i<n;i++)
#define crep(i,x,n) for(int i=x;i<n;i++)
#define drep(i,n) for(int i=n-1;i>=0;i--)
#define vec(...) vector<__VA_ARGS__>
#define _3cSpNGp ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
using pii=pair<int,int>;
using vi=vector<int>;
int main(){
_3cSpNGp;
int n;
cin>>n;
vi a(n);
rep(i,n){
cin>>a[i];
}
vi stk;
int ans=0;
rep(i,n){
if(a[i]){
while(sz(stk) and stk.back()>a[i]){
stk.pop_back();
}
if(sz(stk)==0 or stk.back()!=a[i]){
ans=ans+1;
stk.pb(a[i]);
}
}else{
stk.clear();
}
}
cout<<ans<<"\n";
//
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
5 ms |
460 KB |
Output is correct |
5 |
Correct |
6 ms |
588 KB |
Output is correct |
6 |
Correct |
10 ms |
1100 KB |
Output is correct |
7 |
Correct |
14 ms |
588 KB |
Output is correct |