北工大C语言题库(完美版).docx

. 1 求两个数的和与差 输入整数a和 b，计算并输出a、b的和与差. #include stdio.h int main() { int a,b,sum,diff; scanf(%d%d,a,b); sum=a+b; diff=a-b; printf(The sum is %d\n,sum); printf(The difference is %d\n,diff); } 2 求平方根 输入 1 个实数 X，计算井输出其平方根(保留1 位小数).(例:输入 17; 输出 The square root of 17.0 is 4.1) #include stdio.h #include