Masalah ransel fraksional di C
#include <stdio.h>
void main()
{
int capacity, no_items, cur_weight, item;
int used[10];
float total_profit;
int i;
int weight[10];
int value[10];
printf("Enter the capacity of knapsack:\n");
scanf("%d", &capacity);
printf("Enter the number of items:\n");
scanf("%d", &no_items);
printf("Enter the weight and value of %d item:\n", no_items);
for (i = 0; i < no_items; i++)
{
printf("Weight[%d]:\t", i);
scanf("%d", &weight[i]);
printf("Value[%d]:\t", i);
scanf("%d", &value[i]);
}
for (i = 0; i < no_items; ++i)
used[i] = 0;
cur_weight = capacity;
while (cur_weight > 0)
{
item = -1;
for (i = 0; i < no_items; ++i)
if ((used[i] == 0) &&
((item == -1) || ((float) value[i] / weight[i] > (float) value[item] / weight[item])))
item = i;
used[item] = 1;
cur_weight -= weight[item];
total_profit += value[item];
if (cur_weight >= 0)
printf("Added object %d (%d Rs., %dKg) completely in the bag. Space left: %d.\n", item + 1, value[item], weight[item], cur_weight);
else
{
int item_percent = (int) ((1 + (float) cur_weight / weight[item]) * 100);
printf("Added %d%% (%d Rs., %dKg) of object %d in the bag.\n", item_percent, value[item], weight[item], item + 1);
total_profit -= value[item];
total_profit += (1 + (float)cur_weight / weight[item]) * value[item];
}
}
printf("Filled the bag with objects worth %.2f Rs.\n", total_profit);
}
ruchita sonawale