C语言编程:从键盘输入一个字符串。分别统计其中大写字...答:include<iostream> using namespace std;void main(){ char input[1000];int i=0,out[26]={0},j;char outstring[26]= {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};cout<...