linux c 内存占用率

void leaky_function() {
    int *ptr = (int *)malloc(sizeof(int));
    // 忘记调用 free(ptr);
}

void fixed_function() {
    int *ptr = (int *)malloc(sizeof(int));
    free(ptr);  // 确保释放内存
}

void excessive_allocation() {
    int *large_array = (int *)malloc(1000000 * sizeof(int));  // 可能过大
}

void optimized_allocation(int size) {
    int *array = (int *)malloc(size * sizeof(int));  // 根据实际需要分配
}

#include <stdio.h>
#include <stdlib.h>

int main() {
    int *numbers = (int *)malloc(5 * sizeof(int));
    if (numbers == NULL) {
        fprintf(stderr, "Memory allocation failed\n");
        return 1;
    }

    for (int i = 0; i < 5; i++) {
        numbers[i] = i * 2;
    }

    for (int i = 0; i < 5; i++) {
        printf("%d ", numbers[i]);
    }
    printf("\n");

    free(numbers);  // 释放内存
    return 0;
}