Submission #1159106

#	Time	Username	Problem	Language	Result	Execution time	Memory
1159106		the_ZHER	Bigger segments (IZhO19_segments)	C++20	27 / 100	1598 ms	83012 KiB

segments

#include <bits/stdc++.h>
#define boost ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define int long long
using namespace std;
const int inf=1e17;
const int N=1e5+5;
const int N1=1e5+5;
const int N2=5000;
const int mod=1e9+7;
const int k1=447;
struct edge{
    int d,in;
};
struct edge1{
    int x,g,d;
};
vector<int>v;
int dp[N2][N2];
signed main(){
boost;
    int n;
    cin>>n;
    v.push_back(0);
    for(int i=0;i<n;i++){
        int x;
        cin>>x;
        v.push_back(x);
    }
    for(int i=1;i<=n;i++){
        dp[1][i]=v[i]+dp[1][i-1];
    }
    for(int i=2;i<=n;i++){
        for(int j=1;j<=n;j++){
            dp[i][j]=inf;
        }
    }
    int cnt=0;
    int ans=1;
    for(int i=2;i<=n;i++){
        for(int r=i;r<=n;r++){
            int sum=0;
            for(int l=r;l>=i;l--){
                sum+=v[l];
                if(sum>=dp[i-1][l-1]&&dp[1][n]-dp[1][r]>=sum&&r!=n){
                    dp[i][r]=min(dp[i][r],sum);
                    ans=max(ans,i);
                }
                if(r==n&&sum>=dp[i-1][l-1]){
                    dp[i][r]=min(dp[i][r],sum);
                    ans=max(ans,i);
                }
            }
        }
    }
    cout<<ans;
}  

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