Submission #497482

#	Time	Username	Problem	Language	Result	Execution time	Memory
497482		Nuraly_Serikbay	Bigger segments (IZhO19_segments)	C++14	37 / 100	1584 ms	2084 KiB

segments

#include <bits/stdc++.h>
  
#define endl "\n"
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define sz size()
#define rep(i,k,n) for(int i = k ; i <= n ; ++i)
#define per(i,k,n) for(int i = k ; i >= n ; --i)
#define Zymraq() ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define all(x) x.begin(),x.end()
#define fr(x) freopen(x".in","r",stdin),freopen(x".out","w",stdout)
#define toqta return 0
#define PERMUTE next_permutation
#define no cout<<"No"<<endl;
#define yes cout<<"Yes"<<endl;
#define a() a + 1, a + n + 1  

using namespace std;
 
#pragma GCC optimization("g", on)
#pragma GCC optimize ("inline")
#pragma GCC optimization("03")
#pragma GCC optimization("unroll-loops")
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")

   
typedef long long ll;
typedef unsigned long long ull;
typedef string S;
typedef double ld;
typedef long double lld;
  
const int N = 1e6 + 17;
const int modd = 1e9 + 7;
const ll INF = 1e18 - 19;
const int P = 37;
const ll NN = 1e7 + 17;
const ld eps = 1e-19;
const double pi = 3.141592653589793238462643383279 ;
   
 
bool sortbysec(const pair<int,int> &a, const pair<int,int> &b){
    return (a.second < b.second);
}
 
void pre (ll a) {
    cout << fixed << setprecision(a);
    return;
}

ll n, a[N], d[N];
ll sum[N];

inline void Solution () {
	cin >> n;
	for (int i = 1; i <= n; ++ i) {
		cin >> a[i];
	}
	d[1] = 1;
	sum[1] = a[1];
	for (int i = 2; i <= n; ++ i) {
		d[i] = d[i - 1];
		sum[i] = a[i];
		for (int j = i - 1; j >= 1; -- j) {
			if (sum[i] >= sum[j]) {
				d[i] = d[j] + 1;
				break;	
			}		
			sum[i] += a[j];
		}	
	}
	cout << d[n];
	return;
}    
 
 
int main () {
	Zymraq();
	Solution ();
	exit (0);
}

Compilation message (stderr)

segments.cpp:22: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   22 | #pragma GCC optimization("g", on)
      | 
segments.cpp:24: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   24 | #pragma GCC optimization("03")
      | 
segments.cpp:25: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   25 | #pragma GCC optimization("unroll-loops")
      | 
segments.cpp:26: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
   26 | #pragma comment(linker, "/stack:200000000")
      |

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27