(c) Write a C+t code to check whether a string is a valid password. Password rules: A password must have at least ten characters. A password consists of only letters and digits. A password must contain at least two digits. Expected Output: 1. A password must have at least eight characters. 2. A password consists of only letters and digits. 3. A password must contain at least two digits
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- State whether each of the following is true or false. If false, explain why h) All arguments following the format control string in a printf function must be preceded by an ampersand (&).Write a statement (or comment) to accomplish each of the following: c) Define the variables x, y and z to be of type int-Program C 2. Not my Favorites by CodeChum Admin We've already done looping through a series of numbers and printing out its squares, so how about we level it up and go with cubes this time? I have a condition though; I don't want to be associated with numbers that are divisible by 3 or 5 so if an integer is divisible by either of the two, don't make their cube values appear on the screen, please. Care to fulfill my request? Instructions: Print out the cube values of the numbers ranging from 1 to 1000 (inclusive). However, if the number is divisible by either 3 or 5, do not include them in printing and proceed with the next numbers. Tip: When skipping through special values, make use of the keyword continue and put them inside a conditional statement. Output Multiple lines containing an integer. 1 8 64 343 512 . . .
- Write a C++ code to print the Tribonacci Series. Take the number of terms from user. Please explain the code.Write a C statement to accomplish each of the following tasks.b) Set variable x to 1(Electrical eng.) The amplification of electronic circuits is measured in units of decibels, which is calculated as the following: 10LOG(Po/Pi) Po is the power of the output signal, and Pi is the power of the input signal. Using this formula, write, compile, and run a C++ program to calculate and display the decibel amplification, in which the output power is 50 times the input power. Verify your program’s result by doing a hand calculation. After verifying that your program is working correctly, use it to determine the amplification of a circuit, where output power is 4.639 watts and input power is 1 watt.
- -Program C 5. Even Out by CodeChum Admin You know, I was lying when I said the last time that numbers associated with 3 are my favorite, because the one I actually like the most in the world are even numbers! But to make things harder for you, you have to pick the even numbers from a range of two given numbers. Ha! Now, let's try this one more time! Instructions: Input two integers in one line, separated by a space. The first integer shall represent the starting point, and the other, the ending point. Print out all even numbers that are within the range of the starting and ending point (inclusive or including the ending point). Input 1. The starting point 2. The ending point Output The first line will contain a message prompt to input the starting point. The second line will contain a message prompt to input the ending point. The last line contains the integers within the range. Enter·the·starting·point:·5 Enter·the·ending·point:·10 6·8·10Write C++ statements to accomplish each of the followingNeed a help with this programs for each of the following problem statements: - USE C++ to solve this. (Dev C++) - use of comment statements- use of descriptive variable names 1. (gcount) A program that will accept any number of grades foran exam. The grades will be input as 4 for an A, 3 for a B, 2 for a C, 1for a D, and 0 for an F. After all grades have been entered, allow theuser to enter -1 to exit. Output the number of grades in each category. - correct use of array of counters - correct use of loop - correct output
- (Hydraulics) a. Design, write, compile, and run a C++ program that calculates and displays the velocity of water flowing out of the tube shown in Figure 2.19. The velocity of water flowing into the tube is 1 ft/sec, the input tube radius is 0.75 in, and the output tube radius is 0.5 in. The output velocity is given by this formula: vout=vin( r in r out )2 v outistheoutputvelocity.v inistheinputvelocity.routistheradiusoftheoutputtube.r inistheradiusoftheinputtube. b. Manually check the values computed by your program. After verifying that your program is working correctly, modify it to determine the output velocity for a tube having an input radius of 1 in and an output radius of .75 in, when water is flowing into the tube at a rate of 1.5 ft/sec.(Electrical eng.) a. The voltage gain of an amplifier is given by this formula: voltagegain=[275 23 2 +0.5 f 2 ]n f is the frequency in Hz. n is the number of stages in the amplifier. Using this formula, write, compile, and run a C++ program to determine the value of the voltage gain for a four-stage amplifier operating at a frequency of 120 Hz. Your program should produce the following display: At a frequency of xxxxx hertz, the voltage gain is yyyyy Your program should replace xxxxx with the frequency and yyyyy with the voltage gain. b. Manually check the value your program produces. After verifying that your program is working correctly, modify it to determine the voltage gain of a 12-stage amplifier operating at a frequency of 9500 Hz.(General math) The volume of oil stored in an underground 200-foot deep cylindrical tank is determined by measuring the distance from the top of the tank to the surface of the oil. Knowing this distance and the radius of the tank, the volume of oil in the tank can be determined by using this formula: volume=radius2(200distance) Using this information, write, compile, and run a C++ program that accepts the radius and distance measurements, calculates the volume of oil in the tank, and displays the two input values and the calculated volume. Verify the results of your program by doing a hand calculation using the following test data: radius=10feetanddistance=12feet.