
For循环测试
Quiz
•
Computers
•
9th - 12th Grade
•
Practice Problem
•
Hard
w x
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
for语句的一般形式如下,若表达式2的值为“假”,则结束循环。
for (表达式1; 表达式2; 表达式3)
循环体语句 T
F
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
for语句的一般形式如下,若表达式2的值为“真”,则先执行循环体语句,再计算表达式3,然后继续循环。
for (表达式1; 表达式2; 表达式3)
循环体语句 T
F
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
执行语句for(i=1;i<4;i++ );后变量i的值是( )。
3
5
4
不定
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
语句for(i=1,j=10;i<j;++i, j--);执行之后i,j的值均为5。
T
F
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列程序段的输出结果是()。
#include<stdio.h>
int main()
{
for(int i = 1; i < 7; i ++) {
if( i % 3 != 0) {
printf("#");
continue;
}
printf("*");
}
return 0;
}
#*#*#*
######
******
##*##*
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列程序段的输出结果是()。
int main(void)
{
for(int i = 1; i < 6; i ++) {
if( i % 2 != 0) {
printf("#");
continue;
}
printf("*");
}
printf("\n");
return 0;
}
#*#*#
#####
*****
*#*#*
7.
OPEN ENDED QUESTION
5 mins • 1 pt
求10以内的偶数的和
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