Submission #344536

#	Time	Username	Problem	Language	Result	Execution time	Memory
344536		koketsu	Bigger segments (IZhO19_segments)	C++14	37 / 100	1566 ms	3380 KiB

segments

#include <bits/stdc++.h>
#define pb push_back
#define LL long long
#define Kultivator ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;

const LL Mxn = 1e6 + 7;
const LL Mod = 1e9 + 7;
const LL Inf = 1e14 + 7;

LL N, A[Mxn], Mx[Mxn], Dp[Mxn], Pref[Mxn];

int main() {
    Kultivator;
    cin >> N;
    for(int i = 1; i <= N; i++){
        cin >> A[i];
        Pref[i] = (Pref[i - 1] + A[i]);
    }
    for(int i = 1; i <= N; i++){
        int K = i;
        for(; K >= 1; K--){
            if(Pref[i] - Pref[K - 1] >= Mx[K - 1]) break;
        }
        Mx[i] = (Pref[i] - Pref[K - 1]);
        Dp[i] = Dp[K - 1] + 1;
    }
    cout << Dp[N];
}

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