Submission #1086751

#	Time	Username	Problem	Language	Result	Execution time	Memory
1086751		KasymK	K blocks (IZhO14_blocks)	C++17	53 / 100	1084 ms	43608 KiB

blocks

#include "bits/stdc++.h"
using namespace std;
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define ll long long
#define pb push_back
#define pii pair<int, int>
#define pli pair<ll, int>
#define pll pair<ll, ll>
#define tr(i, c) for(auto i = c.begin(); i != c.end(); ++i)
#define wr puts("----------------")
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
const int N = 1e5+5;
const int K = 110;
int v[N], dp[N][K];

int main(){
    int n, k;
    scanf("%d%d", &n, &k);
    for(int i = 1; i <= n; ++i){
        int x;
        scanf("%d", &x);
        v[i] = x;
    }
    memset(dp, 100, sizeof dp);
    dp[0][0] = 0;
    for(int j = 1; j <= k; ++j)
        for(int i = 1; i <= n; ++i){
            int mx = -1;
            for(int i1 = i; i1 >= 1; --i1){
                umax(mx, v[i1]);
                umin(dp[i][j], dp[i1-1][j-1]+mx);
            }
        }
    int answer = dp[n][k];
    printf("%d\n", answer);
    return 0;
}

Compilation message (stderr)

blocks.cpp: In function 'int main()':
blocks.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |     scanf("%d%d", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~
blocks.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |         scanf("%d", &x);
      |         ~~~~~^~~~~~~~~~

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