Submission #100977

#	Time	Username	Problem	Language	Result	Execution time	Memory
100977		KLPP	새로운 문제 (COCI19_akvizna)	C++14	20 / 130	7 ms	768 KiB

Main

#include<bits/stdc++.h>

using namespace std;
typedef long long int lld;
double DP[101][101];
int main(){
  int n,k;
  scanf("%d %d",&n,&k);
  DP[0][0]=0;
  for(int i=1;i<=n;i++){
    for(int j=1;j<=k && j<=i;j++){
      DP[i][j]=0;
      //cout<<i<<" A  "<<j<<endl;
      for(int l=j-1;l<i;l++){
	double d=(double)(i-l)/i;
	//cout<<l<<" "<<d<<endl;
	DP[i][j]=max(DP[i][j],DP[l][j-1]+d);
      }
      //printf("%lf ",DP[i][j]);
      //cout<<endl;
    }//printf("\n");
  }
  
  printf("%.10lf\n",DP[n][k]);
  return 0;
}

Compilation message (stderr)

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

• Subtask 1: 5 / 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