Submission #56924

#	Time	Username	Problem	Language	Result	Execution time	Memory
56924		red1108	리조트 (KOI16_resort)	C++17	100 / 100	4 ms	1160 KiB

resort

#include <stdio.h>
#include <utility>
#include <algorithm>
using namespace std;
int dp[110][50],mindp[110];
bool go[110];
int n, m,ans;
void f(int day,int c,int money)
{
    if(day>n)
    {
        if(ans==0||ans>money) ans=money;
        return ;
    }
    if(dp[day][c]!=0&&dp[day][c]<=money) return ;
    if(dp[day][mindp[day]]!=0&&(dp[day][mindp[day]]<=money&&mindp[day]>c)) return ;
    if(dp[day][c]==0||dp[day][c]>money){
            dp[day][c]=money;
            if(dp[day][mindp[day]]==0||dp[day][mindp[day]]>money||(dp[day][mindp[day]]==money&&mindp[day]<c)) mindp[day]=c;
    }
    if(go[day]==0) f(day+1,c,money);
    else {
    f(day+5,c+2,money+37000);
    f(day+3,c+1,money+25000);
    f(day+1,c,money+10000);
    if(c>=3){f(day+1,c-3,money);}
    }
}
int main()
{
    int i;
    scanf("%d %d",&n,&m);
    fill(go,go+n+1,1);
    fill(mindp,mindp+n+1,0);
    for(i=1;i<=m;i++)
    {
        int a;
        scanf("%d", &a);
        go[a]=0;
    }
    f(1,0,0);
    printf("%d", ans);
}

Compilation message (stderr)

resort.cpp: In function 'int main()':
resort.cpp:32:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~
resort.cpp:38:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a);
         ~~~~~^~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 17 / 17
• Subtask 3: 72 / 72