iOS next day {function}

<span id="Label3"></p><p>//<br>Main.m<br>day3-1.6 work: Project knocked 4 times<br>/* job: time limit code 3 minutes<br>Prompts the user to enter an integer (within 100) from the Keyboard. If the number entered is not a multiple of 7 and does not contain 7 (bits and 10 digits do not contain 7). Output this number;<br>Otherwise the output is "over".<br><br>*/<br><br>//<br>First Question:<br>/* Enter an integer to determine the parity, and output "xxx is odd" or "xxx<br>is even ". */<br>#import <Foundation/Foundation.h><br>//<br>int main (int argc, const char * Argv[]) {<br>//<br>int a = 0;<br>printf ("please Enter an integer:");<br>scanf ("%d", &a);<br>If (a% 2 = = 0) {<br>printf ("%d is even", a);<br>//    }<br>else {<br>printf ("%d is odd", a);<br>//    }<br>//<br>//<br>Return 0;<br>//}<br><br>The second question:<br>/*<br>Enter a number to judge the Symbol. If it is greater than 0, the output is "positive";<br>At 0, the output is "negative" and if it equals 0, output "0".<br> <br>*/<br><br>#import <Foundation/Foundation.h><br>//<br>int main (int argc, const char * Argv[]) {<br>int a = 0;<br>printf ("please Enter a number:");<br>scanf ("%d", &a);<br>If (a > 0) {<br>printf ("positive number \ n");<br>}else if (a < 0) {<br>printf ("negative number \ n");<br>}else if (a = = 0) {<br>printf ("0\n");<br>//    }<br>Return 0;}<br><br><br>Question Three:<br>/*<br>Programming to determine the age of 3 people who are the oldest and print the largest<br><br>*/<br><br>#import <Foundation/Foundation.h><br>//<br>int main (int argc, const char * Argv[]) {<br>int a = 0,b = 0,c = 0;<br>printf ("please Enter the age of three persons: \ n");<br>scanf ("%d%d%d", &a,&b,&c);<br>If (a > B) {<br>If (a > C) {<br>printf ("age of the largest person:%d\n", a);<br>//        }<br>}else if (b > C) {<br>If (b > A) {<br>printf ("max age:%d\n", b);<br>//        }<br>//<br>//<br>}else<br>//    {<br>printf ("max age:%d\n", c);<br>//<br>//    }<br>//<br>//<br>//<br>Return 0;<br>//}<br><br><br>Question Fourth:<br>/*<br>Railway checked baggage regulations: baggage weighing no more than 50 kg, the consignment fee according to 0.15<br>RMB per kilogram, If more than 50 kg, excess of 0.1 per kilogram<br>Yuan. Programming to achieve the above functions.<br><br>*/<br><br>#import <Foundation/Foundation.h><br>//<br>int main (int argc, const char * Argv[]) {<br>//<br>float a = 0,b = 0;<br>printf ("please enter baggage weight: \ n");<br>scanf ("%f", &a);<br>If (a <= 50) {<br>b = a*0.15;<br>printf ("freight is:%.2f\n", b);<br>}else {<br>//<br>b = (a-50) *0.16+50*0.15;<br>printf ("freight is:%.2f\n", b);<br>//<br>//    }<br>//<br>//<br>Return 0;<br>//}<br><br>Question Fifth:<br>/*<br>There is a function: when x<1, y = x;1<=x<10, y=2x-1;<br>x>=10 time, y=3x-11. Write a program, enter x, and output y Value.<br><br>*/<br><br>#import <Foundation/Foundation.h><br>//<br>int main (int argc, const char * Argv[]) {<br>//<br>int x = 0,y = 0;<br>printf ("please Enter x:");<br>scanf ("%d", &x);<br>If (x < 1) {<br>y = x;<br>printf ("y =%d\n", y);<br>}else if (1 <=x && x < 10) {<br>y = 2*x-1;<br>printf ("y =%d\n", y);<br>//<br>}else if (x >= 10) {<br>//<br>y = 3*x-11;<br>printf ("y =%d\n", y);<br>//<br>//    }<br>//<br>Return 0;<br>//}<br><br><br>Question Sixth<br>/*<br>Write a program that completes two number Arithmetic. Such as: user input 34+56<br>The result of the output is 90.00, which requires that the result of the operation retain 2 valid decimals, the user<br>Input 2 operands and operators, based on operator results<br><br>*/<br>#import <Foundation/Foundation.h><br>//<br>int main (int argc, const char * Argv[]) {<br>//<br>float a =0,b = 0,d = 0;<br>char C = 0;<br>printf ("please Enter an expression:");<br>scanf ("%f%c%f", &a,&c,&b);<br>if (c = = ' + ') {<br>D = A + b;<br>printf ("%.2f", d);<br>}else if (c = = '-') {<br>D = a-b;<br>printf ("%.2f", d);<br>}else if (c = = ' * ') {<br>D = A * b;<br>printf ("%.2f", d);<br>}else if (c = = '/') {<br>D = a/b;<br>printf ("%.2f", d);<br>//    }<br>//<br>Return 0;<br>//}<br><br>Question Seventh: Enter 3 numbers to determine if a triangle can be formed.<br>#import <Foundation/Foundation.h><br>//<br>int main (int argc, const char * Argv[]) {<br>int a = 0,b = 0,c = 0;<br>printf ("please Enter three numbers:");<br>scanf ("%d%d%d", &a,&b,&c);<br>If ((a+b) >c&& (a+c) >b&& (b+c) >a&& (a-b) <c&& (a-c) <b&& (b-c) <a) {<br>printf ("can form a triangle");<br>//<br>}else {<br>printf ("cannot form a triangle");<br>//    }<br>//<br>//<br>//<br>Return 0;<br>//}<br><br>Question Eighth<br><br>/*<br>Enter three numbers to print the median (the second largest value) in two ways<br>Tip: first, the largest and smallest, and the second, using only comparison Operators.<br><br>*/<br>#import <Foundation/Foundation.h><br>//<br>int main (int argc, const char * Argv[]) {<br>int a = 0,b = 0,c = 0;<br>printf ("please Enter three numbers:");<br>scanf ("%d%d%d", &a,&b,&c);<br>//<br>If ((a>b && B>c) | | (c>b&&b>a)) {<br>printf ("middle value =%d", b);<br>//      }<br>else if ((a>c&&c>b) | | | (b>c&&c>a)) {<br>printf ("middle value =%d", c);<br>//<br>}else If ((b>a&&a>c) | | (c>a&&a>b))<br>//    {<br>printf ("middle value =%d", a);<br>//    }<br>else if (a==b) {<br>printf ("middle value =%d", c);<br>}else if (a==c) {<br>printf ("middle value =%d", b);<br>}else if (b==c) {<br>printf ("middle value =%d", a);<br>////    }<br>Return 0;<br>//}<br><br><br>Comparison operators<br>#import <Foundation/Foundation.h><br>//<br>int main (int argc, const char * Argv[]) {<br>//<br>int a = 0,b = 0,c = 0;<br>printf ("please Enter three numbers:");<br>scanf ("%d%d%d", &a,&b,&c);<br>int min = (a>b?b:a) >c?c: (a>b?b:a);<br>int max = (a>b?a:b) >c? (a>b?a:b): c;<br>int mid = a+b+c-min-max;<br>printf ("middle value =%d\n", mid);<br>Return 0;<br>//}<br><br>/*<br>Time limit code 3 minutes<br>Prompts the user to enter an integer (within 100) from the Keyboard. If the number entered is not a multiple of 7 and does not contain 7 (bits and 10 digits do not contain 7). Output this number;<br>Otherwise the output is "over".<br>*/<br>#import <Foundation/Foundation.h><br>int main (int argc, const char * Argv[]) {<br>int a = 0;<br>printf ("please Enter an integer within 100: \ n");<br>scanf ("%d", &a);<br>If (a%7!=0&&a/10!=7&&a%10!=7) {<br>printf ("this number =%d\n", a);<br>}else{<br>printf ("over \ n");<br>}<br><br>Return 0;<br><br>}<br><br><br><br><br><br><br><br><br><br><br><br><br><br></p><p><p>iOS next day {function}</p></p></span>