Submission #1023503

#	Time	Username	Problem	Language	Result	Execution time	Memory
1023503		hasan2006	Money (IZhO17_money)	C++17	100 / 100	126 ms	22872 KiB

money

#include <bits/stdc++.h>

using namespace std;

#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define se second
#define fi first
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"


const int N = 1e6 + 9 , mod = 1e9 + 7;
ll d[N] , dp[N] ,  a[N] , b[N] , c[N];

void add(int x){
    while(x <= 1000000){
        dp[x]++;
        x += (x & -x);
    }
}
ll get(int x ){
    ll ans = 0;
    while(x > 0){
        ans += dp[x];
        x -= (x & -x);
    }
    return ans;
}

void solve()
{
    ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
    cin>>n;
    for(i = 1; i <= n; i++){
        cin>>a[i];
    }
    l = 1;
    while(l < n){
        r = l + 1;
        while(r <= n){
            if(a[r] < a[r - 1] || get(a[r] - 1) - get(a[l]) > 0){
                s ++ ; break;}
            r++;
        }
        for(i = l; i < r; i++)
            add(a[i]);
        l = r;
    }
    cout<<s + 1<<"\n";
}

int main(){
    TL;

   /* #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif*/
    int t = 1;
//    cin>>t;
    while(t--)
     {
        solve();
     }
}
// Author : حسن

Compilation message (stderr)

money.cpp: In function 'void solve()':
money.cpp:41:12: warning: unused variable 'q' [-Wunused-variable]
   41 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
      |            ^
money.cpp:41:20: warning: unused variable 'j' [-Wunused-variable]
   41 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
      |                    ^
money.cpp:41:30: warning: unused variable 'x' [-Wunused-variable]
   41 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
      |                              ^
money.cpp:41:34: warning: unused variable 'y' [-Wunused-variable]
   41 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
      |                                  ^
money.cpp:41:46: warning: unused variable 'f' [-Wunused-variable]
   41 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
      |                                              ^
money.cpp:41:50: warning: unused variable 'k' [-Wunused-variable]
   41 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
      |                                                  ^
money.cpp:41:54: warning: unused variable 'm' [-Wunused-variable]
   41 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
      |                                                      ^
money.cpp:41:58: warning: unused variable 'mn' [-Wunused-variable]
   41 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
      |                                                          ^~
money.cpp:41:69: warning: unused variable 'mx' [-Wunused-variable]
   41 |     ll n , q , i , j ,l ,r , x , y , s = 0 , f , k , m , mn = 1e18, mx = 0 ;
      |                                                                     ^~

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 55 / 55