Submission #633769

#	Time	Username	Problem	Language	Result	Execution time	Memory
633769		Ferid20072020	Exam (eJOI20_exam)	C++14	12 / 100	23 ms	3016 KiB

exam

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")


#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>


using namespace __gnu_pbds;
using namespace std;
using namespace chrono;
//using namespace atcoder



#define YES             cout << "YES\n"
#define NO              cout << "NO\n"
#define vi              vector<int>
#define vl              vector<long long>
#define vs              vector<string>
#define vc              vector<char>
#define vd              vector<double>
#define vld             vector<long double>
#define ll              long long
#define ull             unsigned long long
#define ui              unsigned int
#define ld              long double
#define f               first
#define s               second
#define pii             pair<int , int>
#define pll             pair<ll , ll>
#define pil             pair<int , ll>
#define pli             pair<ll , int>
#define psi             pair<string , int>
#define pci             pair<char , int>
#define pic             pair<int , char>
#define pis             pair<int , string>
#define psl             pair<string , ll>
#define pcl             pair<char , ll>
#define plc             pair<ll , char>
#define pls             pair<ll , string>
#define pb              push_back
#define eb              emplace_back
#define mp              make_pair
#define ins             insert
#define END             return 0
#define mod             1e9
#define speed           ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define all(x)          (x).begin() , (x).end()
#define oo              1e9
#define Size(x)         x.size()

/*
int gcd(int number1 , int number2){
   if(number2 == 0){
      return number1;
   }
   return gcd(number2 , number1 % number2);
}

int lcm(int number1 , int number2){
   return number1 / gcd(number1 , number2) * number2;
}

ll fact(int number){
   ll product = 1;
   for(int i=2 ; i<=number ; i++){
      product *= i;
   }
   return product;
}
*/


//#define int ll

void solve(){
   int n;
   cin >> n;
   vector<int> A(n+5) , B(n+5) , index;
   for(int i=1 ; i<=n ; i++){
      cin >> A[i];
   }
   for(int i=1 ; i<=n ; i++){
      cin >> B[i];
   }
   int ans = 0 , flg = 0 , I = 0;
   for(int i=1 ; i<=n ; i++){
      if(A[i] == B[i]){
         flg = 1;
      }
      if(A[i] > B[i]){
         ans += flg * (i-1 - I);
         I = i;
         flg = 0;
      }
   }
   ans += flg * (n - I);
   cout << ans;
}

/*signed */ int main(){
   speed;

   int t = 1;
   //cin >> t;

   while(t--){
      solve();
   }

   END;
}

• Subtask 1: 0 / 14
• Subtask 2: 12 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 16
• Subtask 6: 0 / 22