请用c++完善下列代码:void GreedyMinSize(Item items[], int n, int C){ } void GreedyMaxDensity(Item items[], int n, int C){ }
时间: 2023-04-04 09:04:34 浏览: 58
void GreedyMinSize(Item items[], int n, int C){
int i, j;
Item temp;
for(i=0; i<n-1; i++){
for(j=i+1; j<n; j++){
if(items[i].size > items[j].size){
temp = items[i];
items[i] = items[j];
items[j] = temp;
}
}
}
int sum = 0;
for(i=0; i<n; i++){
if(sum + items[i].size <= C){
sum += items[i].size;
printf("%d ", items[i].id);
}
}
}
void GreedyMaxDensity(Item items[], int n, int C){
int i, j;
Item temp;
for(i=0; i<n-1; i++){
for(j=i+1; j<n; j++){
if(items[i].density < items[j].density){
temp = items[i];
items[i] = items[j];
items[j] = temp;
}
}
}
int sum = 0;
for(i=0; i<n; i++){
if(sum + items[i].size <= C){
sum += items[i].size;
printf("%d ", items[i].id);
}
}
}