Submission #287461

#	Time	Username	Problem	Language	Result	Execution time	Memory
287461		Namnamseo	오렌지 출하 (JOI16_ho_t1)	C++17	100 / 100	85 ms	924 KiB

2016_ho_t1

#include <cstdio>

int n,m,k;

int data[20010];

typedef long long ll;

ll dp[20010];

template<typename T> inline T max(T a,T b){ return b<a?a:b; }
template<typename T> inline T min(T a,T b){ return a<b?a:b; }

int main()
{
    scanf("%d%d%d",&n,&m,&k);
    int i,j;
    int Mx, mn;
    for(i=1;i<=n;++i){
        scanf("%d",data+i);
        Mx=mn=data[i];
        dp[i]=(1LL<<61);
        for(j=i;j && i-j<m;--j){
            Mx=max(Mx,data[j]);
            mn=min(mn,data[j]);
            dp[i]=min(dp[i], dp[j-1]+k+ll(i-j+1)*(Mx-mn));
        }
    }
    printf("%lld",dp[n]);
    return 0;
}

Compilation message (stderr)

2016_ho_t1.cpp: In function 'int main()':
2016_ho_t1.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |     scanf("%d%d%d",&n,&m,&k);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
2016_ho_t1.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   20 |         scanf("%d",data+i);
      |         ~~~~~^~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 50 / 50
• Subtask 3: 30 / 30