Submission #100985

#	Time	Username	Problem	Language	Result	Execution time	Memory
100985		KLPP	새로운 문제 (COCI19_akvizna)	C++14	15 / 130	1569 ms	512 KiB

Main

#include<bits/stdc++.h>

using namespace std;
typedef long long int lld;
int seq[1000];
int n,k;
double val(){
  int sum=0;
  double ans=0;
  for(int i=0;i<k;i++){
    ans+=(double)(sum)/(sum+seq[i]);
    sum+=seq[i];
  }
  return ans;
}
int main(){
  scanf("%d %d",&n,&k);
  for(int i=0;i<k;i++)seq[i]=1;
  for(int i=k;i<n;i++){
    int best=-1;
    double M=1000000000;
    for(int j=0;j<k;j++){
      seq[j]++;
      double d=val();
      if(M>d){
	M=d;
	best=j;
      }
      seq[j]--;
    }
    seq[best]++;
  }
  //for(int i=0;i<n;i++)cout<<seq[i]<<endl;
  printf("%.10lf\n",k-val());
  return 0;
}

Compilation message (stderr)

akvizna.cpp: In function 'int main()':
akvizna.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&n,&k);
   ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 5
• Subtask 10: 0 / 5
• Subtask 11: 0 / 5
• Subtask 12: 0 / 5
• Subtask 13: 0 / 5
• Subtask 14: 0 / 5
• Subtask 15: 0 / 5
• Subtask 16: 0 / 5
• Subtask 17: 0 / 5
• Subtask 18: 0 / 5
• Subtask 19: 0 / 5
• Subtask 20: 0 / 5
• Subtask 21: 0 / 5
• Subtask 22: 0 / 5
• Subtask 23: 0 / 5
• Subtask 24: 0 / 5
• Subtask 25: 0 / 5
• Subtask 26: 0 / 5