以下程序的执行结果是()#includeint main(){printf("1**
#2#
");printf("
789
");return 0;}
#2#
");printf("
789
");return 0;}
1** #2# 789
举一反三
- Which of the following program is right? A: include <stdio.h> int main(); { /*programming*/ printf("programming!\n"); return 0; } B: include <stdio.h> int main() { /*programming*/ printf("programming!\n"); return 0; } C: include <stdio.h> void main() { /*programming*/ printf("programming!\n") return 0; } D: include <stdio.h> int mian() { /*programming*/ printf("programming!\n"); return 0; }
- 中国大学MOOC: 以下程序输出的结果是（）# include <stdio.h>int main(){ int a = 4; switch(a ) { case 0: printf("this is 0\n"); break; case 1: printf("this is 1\n"); break; case 2: printf("this is 2\n"); break; default: printf("this is default\n"); } return 0;
- 以下程序没有语法问题的是（） A: B: include<;stdio.h>;int main( ){int x , y = 5 ; printf( "%d\n" , x / y ) ; return 0 ;} C: D: include<;stdio.h>;int main( ){int x = 3 ;y = 5 ; printf( "%d\n" , x / y ) ; return 0 ;} E: F: include<;stdio.h>;int main( ){int x = 3 ,y ; printf( "%d\n" , x / y ) ;y = 5; return 0 ;} G: H: include<;stdio.h>;int main( ){int x = 3 , y = 5 ; printf( "%d\n" , x / y ) ; return 0 ;}
- 以下程序中，运行结果是36的有（）。 A: include <stdio.h> B: define M(y) y*y int main() { printf("%d\n",M(6+0)); return 0; } C: include <stdio.h> D: define M(y) (y)*(y) int main() { printf("%d\n",M(6+0)); return 0; } E: include <stdio.h> int M(int y) { return y*y; } int main() { printf("%d\n",M(6+0)); return 0; } F: include <stdio.h> int M(int y) { return (y)*(y); } int main() { printf("%d\n",M(6+0)); return 0; }
- 下面程序运行后的输出结果是____。 #include <stdio.h> int main() { printf("%d ", NULL); return 0; }
内容
- 0
以下程序的执行结果是( ) #include＜stdio．h＞ main() printf("%d\n"，NULL)； A: -1 B: 0 C: 1 D: 2
- 1
下列程序运行的结果是__________ 。 #include int main( ) { int i; for (i=1; i<=5; i++) { if (i%2) printf("*"); else printf("#"); } printf("$\n"); return 0; }
- 2
以下程序的运行结果是（ ）。#include <;stdio.h>;void fun(int x){ if(x/2>;0) fun(x/2-2);printf("%d ",x);}int main(){fun(20);return 0;}
- 3
中国大学MOOC: 有如下程序 #include <stdio.h>int main(){ int x=2;do{ printf(%d, x); x=x-1; } while(x>0); return 0; }该程序的执行结果是( )。
- 4
以下程序运行后的输出结果是_______。#include<;stdio.h>;int f(int n){if(n==0||n==1) return 1;elsereturn n+f(n-1);}int main(){printf(“%d\n”,f(0));printf(“%d\n”,f(1));printf(“%d”,f(5));}