基础练习 字母图形

#include<iostream> using namespace std; int main() { int n,m;//n行m列 cin>>n>>m; char a[30]={')','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P' ,'Q','R','S','T','U','V','W','X',

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