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  1. #include<cstdio>
  2. #include<cstring>
  3. #include<cmath>
  4.  
  5. void Input_Data(int item[], int jum);
  6. void Show_Data(int item[], int jum);
  7. void Sort_Density(int *no, float *weight, float *profit, int *pieces, double *density, int c);
  8.  
  9. typedef struct
  10. {
  11.     int b, no;
  12.     float w, p;
  13.     double d;
  14.     char note[15];
  15. }item;
  16. item item1[100], item2[100];
  17.  
  18. float knapsack;
  19. int bnyk, k[100], n[100];
  20. double o[100];
  21. float l[100], m[100];
  22.  
  23. int main()
  24. {
  25.  
  26.     int X[100];
  27.  
  28.  
  29.     printf("capacity : "); scanf("%f", &knapsack);
  30.     printf("sum of variation : "); scanf("%d", &bnyk);
  31.     printf("\n");
  32.     Input_Data(X,bnyk);
  33.     Show_Data(X,bnyk);
  34.     int i, j, c;
  35.  
  36.  
  37.     float totwd, totpd;
  38.     c=0, totwd=0, totpd=0;
  39.     for(i=0; i<bnyk; i++)
  40.     for(j=0; j<item1[i].b; j++)
  41.     {
  42.         k[c]=item1[i].no;
  43.         l[c]=item1[i].w;
  44.         m[c]=item1[i].p;
  45.         n[c]=item1[i].b;
  46.         o[c]=item1[i].d;
  47.         c++;
  48.     }
  49.     Sort_Density(k,l,m,n,o,c);
  50.     for(i=0; i<c; i++)
  51.     {
  52.         item2[i].no=k[i];
  53.         item2[i].w=l[i];
  54.         item2[i].p=m[i];
  55.         item2[i].b=n[i];
  56.         item2[i].d=o[i];
  57.     }
  58.     printf("SORT DATA BY DENSITY\n");
  59.     printf("Objek     weight     profit      density \n");
  60.     printf("--------------------------------------------------\n");
  61.     for(i=0; i<c; i++)
  62.     {
  63.         printf("%d  %f %f %f\n", item2[i].no, item2[i].w, item2[i].p, item2[i].d);
  64.     }
  65.  
  66.  
  67.  
  68. }
  69. void Input_Data(int item[], int jum)
  70. {
  71.     int i;
  72.     for(i=0; i<jum; i++)
  73.     {
  74.         printf("w%d : ", i+1); scanf("%f", &item1[i].w);
  75.         printf("p%d : ", i+1); scanf("%f", &item1[i].p);
  76.         printf("tot%d : ", i+1); scanf("%d", &item1[i].b);
  77.         item1[i].no=i+1;
  78.     }
  79. }
  80.  
  81. void Show_Data(int item[], int jum)
  82. {
  83.     int i;
  84.     printf("\n");
  85.     printf("Objek(i)    weight(w)     Profit(p)    pieces(b)    Density(d)\n");
  86.     printf("-------------------------------------------------------------\n");
  87.     for(i=0; i<jum; i++)
  88.     {
  89.         item1[i].d=item1[i].p/item1[i].w;
  90.         printf("%2d %12f %12f %12d %12f\n", item1[i].no, item1[i].w, item1[i].p, item1[i].b, item1[i].d);
  91.     }
  92. }
  93.  
  94. void Sort_Density(int *no, float *weight, float *profit, int *pieces, double *density, int c)
  95. {
  96.     int i, j;
  97.     double temp;
  98.     for(i=0; i<c-1; i++)
  99.         for(j=i; j<c; j++)
  100.         {
  101.             if(density[i]<density[j])
  102.             {
  103.                 temp=no[i];
  104.                 no[i]=no[j];
  105.                 no[j]=temp;
  106.                 temp=weight[i];
  107.                 weight[i]=weight[j];
  108.                 weight[j]=temp;
  109.                 temp=profit[i];
  110.                 profit[i]=profit[j];
  111.                 profit[j]=temp;
  112.                 temp=pieces[i];
  113.                 pieces[i]=pieces[j];
  114.                 pieces[j]=temp;
  115.                 temp=density[i];
  116.                 density[i]=density[j];
  117.                 density[j]=temp;
  118.             }
  119.         }
  120. }
Success #stdin #stdout 0s 3308KB
comments (?)
stdin
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2000
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300
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3
400
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3
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stdout
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capacity : sum of variation : 
w1 : p1 : tot1 : w2 : p2 : tot2 : w3 : p3 : tot3 : w4 : p4 : tot4 : 
Objek(i)    weight(w)     Profit(p)    pieces(b)    Density(d)
-------------------------------------------------------------
 1   300.000000   350.000000            3     1.166667
 2   400.000000   400.000000            3     1.000000
 3   250.000000   500.000000            4     2.000000
 4   250.000000   360.000000            7     1.440000
SORT DATA BY DENSITY
Objek     weight     profit      density 
--------------------------------------------------
3  250.000000 500.000000 2.000000
3  250.000000 500.000000 2.000000
3  250.000000 500.000000 2.000000
3  250.000000 500.000000 2.000000
4  250.000000 360.000000 1.440000
4  250.000000 360.000000 1.440000
4  250.000000 360.000000 1.440000
4  250.000000 360.000000 1.440000
4  250.000000 360.000000 1.440000
4  250.000000 360.000000 1.440000
4  250.000000 360.000000 1.440000
1  300.000000 350.000000 1.166667
1  300.000000 350.000000 1.166667
1  300.000000 350.000000 1.166667
2  400.000000 400.000000 1.000000
2  400.000000 400.000000 1.000000
2  400.000000 400.000000 1.000000
https://ideone.com/TIKdN5
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
secret

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