Submission #475112

#	Time	Username	Problem	Language	Result	Execution time	Memory
475112		vitural	K blocks (IZhO14_blocks)	C++17	0 / 100	115 ms	262148 KiB

blocks

// Solved by VituraL
#include <bits/stdc++.h>
#define pi pair<ll,ll>
#define fi first
#define se second
#define ll long long
#define ull unsigned long long
#define pb push_back
#define reset(a) memset(a,0,sizeof(a))
#define BIT_ON(mask, i) (mask | (1 << (i)))
#define BIT_OFF(mask, i) (mask ^ (1 << (i)))
#define C_BITS(i) __builtin_popcount(i)
#define GET_BIT(mask, i)    ((mask >> i) & 1)
#define BIT_CHECK(x,i) (x & i)
using namespace std;
///// khai bao bien cac thu /////
const int mod = 1e9+7;
const int maxn = 1e6+7;
const int oo = 0x3f3f3f3f;
ll n,k,a[maxn],f[maxn][105];
/*
f[i][j] la trong so nho nhat de chia j so dau thanh i nhom
 */
void solve()
{
    cin>>n>>k;
    for(ll i=1;i<=n;i++) cin>>a[i];
    memset(f,oo,sizeof(f));
    f[0][0]=0;
    for(ll i=1;i<=n;i++)
    {
        for(ll j=1;j<=i;j++)
        {
            ll mx = 0;
            for(ll l=i;l>=j;l--)
            {
                mx = max(mx,a[l]);
                f[i][j] = min(f[i][j],f[l-1][j-1]+mx);
            }
        }
    }
    cout<<f[n][k];
}
///// main /////
main()
{
    //freopen("che.inp","r",stdin);
    //freopen("che.out","w",stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    solve();
    cout << endl;
    return 0;
}
// end.

Compilation message (stderr)

blocks.cpp:45:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   45 | main()
      | ^~~~

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