#include <iostream> #include<stdio.h> int main() { int nums[] = { 1,1,2,2,3,4,5,6,6 }; int size = sizeof(nums) / sizeof(nums[0]); // 创建一个全0的空数组 int* counterNums = (int*)calloc( size, sizeof(int)); for (int i = 0; i < size; i++) { counterNums[nums[i]]++; // 再counterNums下标等于nums里面的元素的位置, 将其复制+1,每遇到一次就+1 } for (int i = 0; i < size; i++) { printf("%d ", counterNums[i]); } // get the counter of 2 printf("\n2 counter is %d\n", nums[2]); return 0; }
标签:nums,int,++,C语言,次数,数组,sizeof,counterNums,size From: https://www.cnblogs.com/shunguo/p/17727935.html