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Submission #494948

# Submission time Handle Problem Language Result Execution time Memory
494948 2021-12-17T17:15:06 Z Ronin13 Money (IZhO17_money) C++14
0 / 100
 1 ms 336 KB 
#include<bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define f first
#define s second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pb push_back
#define epb emplace_back
#define inf 1e9+1
#define linf 1e18+1
using namespace std;
const int NMAX=1e6+1;


void solve(){
    int n;cin>>n;
    int a[n+1];
    for(int i=1;i<=n;i++)cin>>a[i];
    set<int>st;
    st.insert(-inf);
    int l=1;
   int r=2;
    int cnt=0;
    while(r<=n){
        int x=*(--st.upper_bound(a[r]));
        int y=*(--st.upper_bound(a[l]));
        if((a[r]>=a[r-1])&&(x==y)){
            r++;
        }
        else{
            cnt++;
            for(int i=l;i<r;i++){
                st.insert(a[i]);
            }
            l=r;
            r++;
        }
    }
    cnt++;
    cout<<cnt<<"\n";
}

int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
    int test=1;//cin>>test;
    while(test--)solve();
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Incorrect 0 ms 208 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Incorrect 0 ms 208 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Incorrect 0 ms 208 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Incorrect 0 ms 208 KB Output isn't correct
5 Halted 0 ms 0 KB -