Submission #842088

#	Time	Username	Problem	Language	Result	Execution time	Memory
842088		hentai_lover	Bigger segments (IZhO19_segments)	C++14	37 / 100	1540 ms	2652 KiB

segments

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(0);

    int n;
    cin>>n;
    int a[n];
    for(int i = 0; i < n; i += 1)cin>>a[i];

    ///dp[p] = {ans, min_sum}
    pair<int,long long> dp[n];
    long long sum = 0;
    for(int i = 0; i < n; i += 1){
        sum += a[i];
        dp[i] = {1, -sum};
    }

    for(int i = 1; i < n; i += 1){
        sum = 0;
        for(int j = i - 1; j >= 0; j -= 1){
            sum += a[j + 1];
            if(-dp[j].second <= sum)dp[i] = max(dp[i], {dp[j].first + 1, -sum});
        }
    }

    int ans = 0;
    for(int i = 0; i < n; i += 1){
        ans = max(ans, dp[i].first);
    }
    cout<<ans;
}

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