別再禍害C語(yǔ)言了！濫用“全局變量”的后果居然如此嚴(yán)重？

#include <stdio.h>int num1 = 222; //靜態(tài)存儲(chǔ)期static int num2 = 111; //靜態(tài)存儲(chǔ)期int add(int a,int b){static int tempSum = 0; //靜態(tài)存儲(chǔ)期 tempSum = tempSum + a + b;return tempSum;}int main(void){printf("num1=%d,num2=%d\n",num1,num2);int sum = 0; //自動(dòng)存儲(chǔ)期 sum = add(num1,num2);printf("first time sum=%d\n",sum);//sum = 333 sum = add(num1,num2);printf("second time sum=%d\n",sum); //sum = 666return 0;}