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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int n;
  5.     scanf("%d", &n); // jumlah barang
  6.  
  7.     int weight[n], value[n];
  8.     for (int i = 0; i < n; i++) scanf("%d", &weight[i]);
  9.     for (int i = 0; i < n; i++) scanf("%d", &value[i]);
  10.  
  11.     int capacity;
  12.     scanf("%d", &capacity);
  13.  
  14.     // Hitung rasio nilai per berat
  15.     double ratio[n];
  16.     for (int i = 0; i < n; i++) ratio[i] = (double)value[i] / weight[i];
  17.  
  18.     // Urutkan barang berdasarkan rasio tertinggi
  19.     for (int i = 0; i < n - 1; i++) {
  20.         for (int j = 0; j < n - i - 1; j++) {
  21.             if (ratio[j] < ratio[j + 1]) {
  22.                 double tmp = ratio[j]; ratio[j] = ratio[j + 1]; ratio[j + 1] = tmp;
  23.                 int tw = weight[j]; weight[j] = weight[j + 1]; weight[j + 1] = tw;
  24.                 int tv = value[j]; value[j] = value[j + 1]; value[j + 1] = tv;
  25.             }
  26.         }
  27.     }
  28.  
  29.     double totalValue = 0.0;
  30.     int itemCount = 0;
  31.     int remaining = capacity;
  32.  
  33.     for (int i = 0; i < n; i++) {
  34.         if (weight[i] <= remaining) {
  35.             totalValue += value[i];
  36.             remaining -= weight[i];
  37.             itemCount++;
  38.         } else {
  39.             totalValue += ratio[i] * remaining;
  40.             itemCount++;
  41.             break;
  42.         }
  43.     }
  44.  
  45.     // Keluaran dua angka (bisa diatur sesuai kebutuhan: jumlah barang dan nilai total dibulatkan)
  46.     printf("%d %d\n", itemCount, (int)totalValue);
  47.     return 0;
  48. }
  49.  
Success #stdin #stdout 0.01s 5324KB
comments (?)
stdin 
5 
5 4 7 8 10 
10 5 7 12 8 
20
stdout 
4 30
https://ideone.com/7Dyi20
language:
C (gcc 8.3)
created:
8 hours ago
visibility:
public

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