Submission #339100

#	Time	Username	Problem	Language	Result	Execution time	Memory
339100		Khizri	Bigger segments (IZhO19_segments)	C++17	0 / 100	1 ms	364 KiB

segments

#include <bits/stdc++.h>
using namespace std;
//------------------------------------------------------------------------------
//******************************************************************************
#define IOS ios_base::sync_with_stdio(false); cin.tie(0),cout.tie(0)
#define pb push_back		 
#define F first																 
#define S second 															 
#define INF 1e18
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define ll unsigned long long
#define MOD 1e9+7
#define endl '\n'
const int mxn=5e5+5;
//******************************************************************************
//------------------------------------------------------------------------------
ll t=1,n,arr[mxn],k,ans,sum;
queue<ll>q,bos;
void solve(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>arr[i];
	}
	k=arr[1],ans=1,sum=0;
	for(int i=2;i<=n;i++){
		q.push(arr[i]);
		sum+=arr[i];
		if(sum>=k){
			ans++;
			while(k+q.front()<=sum-q.front()){
				k+=q.front();
				sum-=q.front();
				q.pop();
			}
			k=sum;
			sum=0;
			q=bos;
		}
	}
	cout<<ans;
}
int main(){
	IOS;
	//cin>>t;
	while(t--){
		solve();
	}
	return 0;
}

Compilation message (stderr)

segments.cpp: In function 'void solve()':
segments.cpp:22:15: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   22 |  for(int i=1;i<=n;i++){
      |              ~^~~
segments.cpp:26:15: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   26 |  for(int i=2;i<=n;i++){
      |              ~^~~

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