Submission #85534

#	Time	Username	Problem	Language	Result	Execution time	Memory
85534		farukkastamonuda	Money (IZhO17_money)	C++14	25 / 100	3 ms	688 KiB

money

#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define lo long long 
#define inf 1000000000
#define md 1000000007
#define pb push_back
#define li 1000005
using namespace std;
int n,A[li],flag,tut=1,cev=1;
set<int> s;
int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++) scanf("%d",&A[i]);
	s.insert(inf);
	s.insert(A[1]);
	for(int i=2;i<=n;i++){
		if(A[i]>=A[i-1]){
			s.insert(A[i]);
			tut=i;
		}
		else break;
	}
	int bas=tut+1;
	if(bas<=n) cev++;
	for(int i=tut+1;i<=n;i++){
		//~ printf("I :: %d CEV :: %d\n",i,cev);
		if(i==bas || A[i]>=A[i-1]){
			int it1=*s.upper_bound(A[bas]);
			//int it2=*s.upper_bound(A[bas]);
			//~ cout<<"YETETETETETETETETERRRETETE::: :: "<<it1<<"   "<<it2<<endl; 
			if(it1>=A[i]) {s.insert(A[i]);}
			else{
				//~ cout<<"EASAS :: : : "<<i<<endl;
				cev++;
				bas=i;
				i--;
			}
		}
		else{
			bas=i;
			cev++;
			i--;
		}
	}
	printf("%d\n",cev);
	return 0;
}

Compilation message (stderr)

money.cpp: In function 'int main()':
money.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
money.cpp:15:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++) scanf("%d",&A[i]);
                        ~~~~~^~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 0 / 20
• Subtask 4: 0 / 55