Submission #287938

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
287938	2020-09-01T07:05:32 Z	dvdg6566	Bigger segments (IZhO19_segments)	C++14	Compilation error	0 ms	0 KB

segments

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pi;
typedef vector<ll> vi;
typedef vector<pi> vpi;
typedef long double ld;
#define pb emplace_back
#define mp make_pair
#define f first
#define s second
#define SZ(x) (ll)x.size()
#define ALL(x) x.begin(),x.end()
#define lb lower_bound
#define ub upper_bound
const ll MAXN=200001;
const ll MOD=1e9+7;
const ll INF = 3e9;
 
ll A[MAXN];
ll N;
ll dp[MAXN];
ll S[MAXN];
 
 
int main(){
	cin>>N;
	for(int i=1;i<=N;++i){
		cin>>A[i];
		A[i]+=A[i-1];
	}
	dp[0]=0;
	S[0]=0;
	for(int i=1;i<=N;++i){
		for(int j=0;j<i;++j){
			if(A[i] >= S[j]){
				if(dp[j]+1 >= dp[i]){
					dp[i]=dp[j]+1;
					S[i] = x+A[i]-A[j];
				}
			}
		}
	}
	cout<<dp[N];
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:39:13: error: 'x' was not declared in this scope
   39 |      S[i] = x+A[i]-A[j];
      |             ^