Submission #659490

#	Time	Username	Problem	Language	Result	Execution time	Memory
659490		perchuts	Bigger segments (IZhO19_segments)	C++17	0 / 100	1 ms	316 KiB

segments

#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define sz(x) (int) x.size()
#define endl '\n'
#define pb push_back
#define _ ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);

using namespace std;

using ll = long long;
using ull = unsigned long long;
using ii = pair<int,int>;
using iii = tuple<int,int,int>;

const int inf = 2e9+1;
const int mod = 1e9+7;
const int maxn = 3e5+100;

template<typename X, typename Y> bool ckmin(X& x, const Y& y) { return (y < x) ? (x=y,1):0; }
template<typename X, typename Y> bool ckmax(X& x, const Y& y) { return (x < y) ? (x=y,1):0; }


int main(){_

    int n;cin>>n;

    vector<ll>v(n);    
    
    for(auto&x:v)cin>>x;

    int ans = 1;

    ll last = v[0], tmp = 0, ok = 0;

    for(ll i=1;i<n;++i){
        tmp += v[i];
        if(tmp>=last){
            if(!ok){
                int ptr = 1;
                while(tmp-v[ptr]>=last+v[ptr])tmp -= v[ptr], last += v[ptr], ptr++;
                ok = 1;
            }
            last = tmp, tmp = 0, ++ans;
        }
    }
    
    cout<<ans<<endl;
}

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