Submission #1129756

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129756		assanali	K blocks (IZhO14_blocks)	C++17	53 / 100	1035 ms	628 KiB

blocks

#include <bits/stdc++.h>
#define all(a) a.begin(), a.end()
#define F first
#define S second
#define pb push_back
#define lv v+v
#define rv v+v+1
using namespace std;
using ll = long long;
using ld = long double;
using pll = pair <long long, long long>;
using pii = pair <int,int>;
using pld = pair <long double, long double>;
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("O3")
long long mod = 1e9 + 7;
const ll N = 1e5 + 10;
const ll M = 1e2 + 10;
const ll P = 311;
const ld EPS = 1e-7;
const ll block = 450;
const ll inf = 1e18;
ll n,a[N],k,ans,dp[N][M];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
ll _=1; //cin>>_;
while(_--) {
    cin>>n>>k;
    for(ll i = 1; i<=n; i++) {
        cin>>a[i];
    }
    ll mx = 0;
    for(ll i = 1; i<=n; i++) {
        for(ll j = 1; j<=k; j++) {
            dp[j][i] = INT_MAX;
        }
    }
    for(ll i = 1; i<=n; i++) {
        mx = max(mx, a[i]);
        dp[1][i] = mx;
    }
    for(ll c = 2; c<=k; c++) {
        for(ll i = c; i<=n; i++) {
            ll cur = 0;
            for(ll j = i; j<=n; j++) {
                cur = max(cur, a[j]);
                dp[c][j] = min(dp[c][j], cur + dp[c-1][i-1]);
            }
        }
    }
    cout<<dp[k][n];
}
return 0;
}
// equal, min, max, 1, random, build
/*
6
3 6 4 5 1 2
*/

• Subtask 1: 14 / 14
• Subtask 2: 18 / 18
• Subtask 3: 21 / 21
• Subtask 4: 0 / 47