Submission #977431

#	Time	Username	Problem	Language	Result	Execution time	Memory
977431		shoryu386	Money (IZhO17_money)	C++17	0 / 100	1 ms	348 KiB

money

#include <bits/stdc++.h>
using namespace std;

#define int long long

main(){ ios_base::sync_with_stdio(0); cin.tie(0);
	
	int n; cin >> n;
	//attempt greedy
	
	int arr[n]; for (int x = 0; x < n; x++) cin >> arr[x];
	bitset<1000007> taken;
	
	for (int zzz = 1; zzz <= n; zzz++){
		
		int smallestVal = LLONG_MAX/20, smIndex = -1; 
		for (int x = 0; x < n; x++){
			if (!taken[x] && smallestVal > arr[x]){
				smallestVal = arr[x];
				smIndex = x;
			}
		}
		
		int lastVal = arr[smIndex];
		taken[smIndex] = 1;
		for (int z = smIndex+1; z < n; z++){
			if (taken[z] || lastVal > arr[z]) break;
			else {
				taken[z] = 1;
				lastVal = arr[z];
			}
		} 
		
		
		bool allTaken = true;
		for (int x = 0; x < n; x++) if (!taken[x]) allTaken = false;
		
		if (allTaken){
			cout << zzz;
			return 0;
		}
	}
	
	
}

Compilation message (stderr)

money.cpp:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    6 | main(){ ios_base::sync_with_stdio(0); cin.tie(0);
      | ^~~~

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