WebMay 30, 2024 · #include void foo() {} int main() { foo(); foo(1); foo(1,'A'); foo(1,'A',"ABC"); printf("ABC\n"); return 0; } The above code runs fine without giving any error because a function without any parameter can take any number of arguments but this is not the case with C++. In C++, we will get an error. Let’s see. WebJun 25, 2024 · #include int main () { char val; printf("Enter the character: \n"); val = getc(stdin); printf("Character entered: "); putc(val, stdout); return(0); } Output Here is the output Enter the character: s Character entered: s stdlib.h The header file stdlib.h stands for Standard Library.
C Input/Output: printf() and scanf() - Programiz
Web以下程序运行后，输出结果是 #define PT 5.5 #define S(x) PT*x*x #include＜stdio.h＞ main() { int a=1，b=2； printf("％4.1f\n"，S(a+b))；} A．49.5 B．9.5 Web#include int main() { char p[] = "%d\n"; p[1] = 'c'; printf(p, 65); return 0; } A a c 65 3. What will be the output of the program ? #include #include int main() { printf("%d\n", strlen("123456")); return 0; } 6 12 7 2 4. What will be the output of the program ? sassy white dresses
C printf() function - w3resource
Web#include int main () { int main = 3; printf ("%d", main); return 0; } A. 3 B. Compile time error C. Run time error D. give garbage value View Answer 3. What is the output of this program? if input a is 1 and b is 2 #include int main () { int a, b; printf ("%d", scanf ("%d %d",&a,&b)); return 0; } A. 1 B. 2 WebMar 13, 2024 · 可以使用以下代码实现： #include #include //需要加入数学函数头文件 int main() { double a, b, sum; printf("请输入两个实数：\n"); scanf("%lf %lf", &a, &b); sum = pow(a, 2) + pow(b, 2); //使用pow函数计算平方和 printf("它们的平方和为：%.2lf\n", sum); //保留2位小数输出结果 ... WebList of C programming Operators Aptitude Questions and Answers 1) What will be the output of following program ? #include void main() { printf("value is = %d",(10++)); } 10 11 0 ERROR Answer & Explanation 2) What will be the output of following program ? #include void main() { const char var ='A'; ++ var; printf("%c", var); } B sassywink.com