Concept explainers
A)
“for” loop:
A control loop that repeats for a particular number of iterations is termed as a “count-controlled loop”; C++ provide such type of loop known as the “for” loop.
The “for” loop is used to perform an exact number of iterations and it contains three elements. They are as follows:
- Initialization
- Condition
- Increment/Decrement
- The initialization part is executed once at the beginning. The condition is then executed.
- When the condition result is false, the loop fails.
- When the condition result is true, the loop is executed and the increment/decrement operator is evaluated.
- The condition is executed until the loop gets terminated.
Syntax:
for (initialization; condition; update)
{
Statement1;
Statement2;
.
.
}
B)
“for” loop:
A control loop that repeats for a particular number of iterations is termed as a “count-controlled loop”; C++ provide such type of loop known as the “for” loop.
The “for” loop is used to perform an exact number of iterations and it contains three elements. They are as follows:
- Initialization
- Condition
- Increment/Decrement
- The initialization part is executed once at the beginning. The condition is then executed.
- When the condition result is false, the loop fails.
- When the condition result is true, the loop is executed and the increment/decrement operator is evaluated.
- The condition is executed until the loop gets terminated.
Syntax:
for (initialization; condition; update)
{
Statement1;
Statement2;
.
.
}
C)
“for” loop:
A control loop that repeats for a particular number of iterations is termed as a “count-controlled loop”; C++ provide such type of loop known as the “for” loop.
The “for” loop is used to perform an exact number of iterations and it contains three elements. They are as follows:
- Initialization
- Condition
- Increment/Decrement
- The initialization part is executed once at the beginning. The condition is then executed.
- When the condition result is false, the loop fails.
- When the condition result is true, the loop is executed and the increment/decrement operator is evaluated.
- The condition is executed until the loop gets terminated.
Syntax:
for (initialization; condition; update)
{
Statement1;
Statement2;
.
.
}
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STARTING OUT WITH C++ MPL
- #include<stdio.h>#include<stdlib.h> int cent50=0;int cent20=0;int cent10=0;int cent05=0; void calculatechange(int* change){if(*change>0){if(*change>=50){*change-=50;cent50++;}else if(*change>=20){*change-=20;cent20++;}else if(*change>=10){*change-=10;cent10++;}else if(*change>=05){*change-=05;cent05++;}calculatechange(change);}}void printchange(){if(cent50)printf("\n50cents:%d coins",cent50);if(cent20)printf("\n20cents:%d coins",cent20);if(cent10)printf("\n10cents:%d coins",cent10);if(cent05)printf("\n05cents:%d coins",cent05);cent50=0;cent20=0;cent10=0;cent05=0;}void takechange(int* change){scanf("%d",change);getchar();}int main(){int change=0;int firstinput=0;while(1){if(!firstinput){printf("\nEnter the amount:");firstinput++;}else{printf("\n\nEnter the amount to continue or Enter -1 to…arrow_forwardbe recor #include #include minutes #include limit on int func(int, int, int, int); main(){ srand(time(NULL)); int a, b, c, fNum; printf("Choose three different numbers between 0-39:"); scanf ("%d%d%d", &a, &b, &c); fNum = func (a, b, c, 25); printf("\nThe result: %d", fNum); } int func (int ul, int u2, int u3, int iter){ srand (time (NULL)); int n1=0, i=0, count=0; for (;iarrow_forwardDetermine all the output from the following program as it would appear on the screen. void func1(int); void func2(int = 4, int = 5, int = 2); int func3(int &, int, int); %3D int main() { int x = 0, z = 0, y = 2; func1(y); cout << y << endl; func2(x, y, z); func2(); func3(x, y, z); = Z func1(x); cout << x << " " << y << " " << z << endl; return 0; } void func1(int b) { static int a;arrow_forward#include <stdio.h>#include <stdlib.h> int cent50 = 0;int cent20 = 0;int cent10 = 0;int cent05 = 0; //Function definitionvoid calculateChange(int change) {if(change > 0) {if(change >= 50) {change -= 50;cent50++;} else if(change >= 20) {change -= 20;cent20++;} else if(change >= 10) {change -= 10;cent10++;} else if(change >= 05) {change -= 05;cent05++;}calculateChange(change);}} //Define the functionvoid printChange() { if(cent50)printf("\n50 Cents : %d coins", cent50); if(cent20)printf("\n20 Cents : %d coins", cent20); if(cent10)printf("\n10 Cents : %d coins", cent10); if(cent05)printf("\n05 Cents : %d coins", cent05); cent50 = 0;cent20 = 0;cent10 = 0;cent05 = 0; } //Function's definitionint TakeChange() { int change;printf("\nEnter the amount : ");scanf("%d", &change);return change; }//main functionint main() {//call the functionint change = TakeChange(); //use while-loop to repeatedly ask for input to the userwhile(change != -1){if((change %…arrow_forward#include <stdio.h>#include <stdlib.h> int cent50 = 0;int cent20 = 0;int cent10 = 0;int cent05 = 0; //Function definitionvoid calculateChange(int change) {if(change > 0) {if(change >= 50) {change -= 50;cent50++;} else if(change >= 20) {change -= 20;cent20++;} else if(change >= 10) {change -= 10;cent10++;} else if(change >= 05) {change -= 05;cent05++;}calculateChange(change);}} //Define the functionvoid printChange() { if(cent50)printf("\n50 Cents : %d coins", cent50); if(cent20)printf("\n20 Cents : %d coins", cent20); if(cent10)printf("\n10 Cents : %d coins", cent10); if(cent05)printf("\n05 Cents : %d coins", cent05);cent50 = 0;cent20 = 0;cent10 = 0;cent05 = 0; } //Function's definitionint TakeChange() { int change;printf("\nEnter the amount : ");scanf("%d", &change);return change; }//main functionint main() {//call the functionint change = TakeChange(); //use while-loop to repeatedly ask for input to the userwhile(change != -1){if((change %…arrow_forward#include <stdio.h>#include <stdlib.h> int cent50 = 0;int cent20 = 0;int cent10 = 0;int cent05 = 0; //Function definitionvoid calculateChange(int change) {if(change > 0) {if(change >= 50) {change -= 50;cent50++;} else if(change >= 20) {change -= 20;cent20++;} else if(change >= 10) {change -= 10;cent10++;} else if(change >= 05) {change -= 05;cent05++;}calculateChange(change);}} //Define the functionvoid printChange() { if(cent50)printf("\n50 Cents : %d coins", cent50); if(cent20)printf("\n20 Cents : %d coins", cent20); if(cent10)printf("\n10 Cents : %d coins", cent10); if(cent05)printf("\n05 Cents : %d coins", cent05);cent50 = 0;cent20 = 0;cent10 = 0;cent05 = 0; } //Function's definitionint TakeChange() { int change;printf("\nEnter the amount : ");scanf("%d", &change);return change; }//main functionint main() {//call the functionint change = TakeChange(); //use while-loop to repeatedly ask for input to the userwhile(change != -1){if((change %…arrow_forwardint x1 = 66; int y1 = 39; int d; _asm { } mov EAX, X1; mov EBX, y1; push EAX; push EBX; pop ECX mov d, ECX; What is d in decimal format?arrow_forwardC++arrow_forwardEach of the following definitions and program segments has errors. Locate as many as you can and correct the errors. a) void showValues (int nums) { for (int i = 0; i<8; i++) cout<arrow_forwardint calculatepower (int x, int y){ if (y > 0) return x* else return 1; int main (){ int num, pwr; cout > num; cout > pwr; cout <« "Number "<arrow_forward#include #include #include int main() { int i, j; printf("Columns | JIn"); for (i = 1; i< 4; ++i) { printf("Outer %6d\n", i); for (j = 0; j< i; ++j) { printf(" Inner%10d\n", j); } } /* heading of outer for loop */ /* heading of inner loop */ %3D return (0); } Create a new code modifying it to use "while loop" instead of the "for loop"arrow_forward#include <stdio.h>int main(){int d;int s[20],i, r, p, lg=0,m;char c;printf("Enter number of salesman(max 20): ");scanf("%d", &d);for(i=0; i<d; i++){ printf("\n salesman %d sales: ");scanf("%d", &s[i]);}for(i=0; i<d; i++){for(r=i+1; j<d; r++){if(s[i] > s[r]){p= s[i];s[i] = s[r];s[j] = p;}}}printf("\nsalesman lowest to highest: ");for(i=0; i<d; i++){printf("%d\t", s[i]);}for(i=0;i<m;i++){printf("\n highest sales: %d ",lg);if(lg<=s[i])lg=s[i];break;}getch();} >>> the upper part output should be like this enter number of salesman (max 20): 5 salesman 1 500 salesman 2 300 salesman 3 1000 salesman 4 200 salesman 5 1000 in the lower part the lowest to highest the output should become like this salesman 4 200 salesman 2 300 salesman 1 500 salesman 3 1000 salesman 5 1000 highest total sales : 2000arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_iosRecommended textbooks for you
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