Submission #631548

#	Time	Username	Problem	Language	Result	Execution time	Memory
631548		dozer	Nizin (COCI16_nizin)	C++14	100 / 100	76 ms	8092 KiB

nizin

#include <bits/stdc++.h>
using namespace std;
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define pb push_back
#define pii pair<int, int>
#define st first
#define nd second
#define sp " "
#define endl "\n"
#define N 1000005
#define modulo 1000000007
#define int long long

int arr[N];

int32_t main()
{
	fastio();

	int n;
	cin>>n;
	for (int i = 1; i <= n; i++)
		cin>>arr[i];

	int l = 0, r = n + 1, sl = 0, sr = 0, ans = 0;
	int steps = 0;
	
	while(l < r)
	{
		//cout<<l<<sp<<r<<endl;
		
		while(sl != sr && l < r)
		{
			while(sl < sr && l < r)
			{
				//cout<<l<<sp<<r<<sp<<sl<<sp<<sr<<endl;
				l++;
				sl += arr[l];
				ans++;
			}
			while(sr < sl && l < r)
			{
				//cout<<l<<sp<<r<<sp<<sl<<sp<<sr<<endl;
				r--;
				sr += arr[r];
				ans++;
			}
		}
		
		l++, r--;
		sl = arr[l], sr = arr[r];
	}

	cout<<ans<<endl;
	cerr<<"time taken : "<<(float)clock() / CLOCKS_PER_SEC<<" seconds\n";
}

Compilation message (stderr)

nizin.cpp: In function 'int32_t main()':
nizin.cpp:27:6: warning: unused variable 'steps' [-Wunused-variable]
   27 |  int steps = 0;
      |      ^~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10