有以下程序 #include int fun(char p[][10]) { int n=0,i; for(i=0; i<7; i++) if(p[i][0]== 'T') n++; return n; } main() { char str[][10]={"Mon","Tue","Wed","Thu","Fri","Sat","Sun"}; printf("%d\n",fun(str)); } 程序执行后的输出结果是