c语言题目:编写程序打印数字金字塔(用循环语句编写) 1 main(){ int i,j;char std,c;scanf("%c",&c);if(c>='a' && c<= 'z')std='a';else if(c>='A' && c <= 'Z')std='A';else { printf("input error");exit(1);} for(i=0;i<=c-std; includevoid main(){ int i,j,n;/...