Submission #341146

#	Time	Username	Problem	Language	Result	Execution time	Memory
341146		beksultan04	K blocks (IZhO14_blocks)	C++14	32 / 100	1086 ms	492 KiB

blocks

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scanl(a) scanf("%lld",&a);
#define scanll(a,b) scanf("%lld %lld",&a, &b);
#define scanlll(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define scan1(a) scanf("%d",&a);
#define scan2(a,b) scanf("%d %d",&a, &b);
#define scan3(a,b,c) scanf("%d %d %d",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
#define eps 1e-12
const int N = 1e5+12;
const ll INF=1e15+7;
int q[N],n;
bool vis[N][101];
ll dp[N][101];

ll rec(int i,int k,ll sum){
    if (i == n && k == 0)ret sum;
    if (k == 0 || k != 0 && i == n)ret INF;
    int mx=0,j;
    ll ans=INF;
    for (j=i+1;j<=n;++j){
        mx = max(mx,q[j]);
        ans = min(ans,rec(j,k-1,sum+mx));
    }
    ret dp[i][k] = ans;
}

main(){
    int i,k;
    scan2(n,k)
    for (i=1;i<=n;++i){
        scan1(q[i])
    }
    cout <<rec(0,k,0);
}

Compilation message (stderr)

blocks.cpp: In function 'long long int rec(int, int, long long int)':
blocks.cpp:31:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   31 |     if (k == 0 || k != 0 && i == n)ret INF;
      |                   ~~~~~~~^~~~~~~~~
blocks.cpp: At global scope:
blocks.cpp:41:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   41 | main(){
      |      ^
blocks.cpp: In function 'int main()':
blocks.cpp:15:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   15 | #define scan2(a,b) scanf("%d %d",&a, &b);
      |                    ~~~~~^~~~~~~~~~~~~~~~
blocks.cpp:43:5: note: in expansion of macro 'scan2'
   43 |     scan2(n,k)
      |     ^~~~~
blocks.cpp:14:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   14 | #define scan1(a) scanf("%d",&a);
      |                  ~~~~~^~~~~~~~~
blocks.cpp:45:9: note: in expansion of macro 'scan1'
   45 |         scan1(q[i])
      |         ^~~~~

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