c语言，条件语句

//

//main.m

//冰

//

//Created by lanou on 16/10/18.

//Copyright (c) 2016年lanou. All rights reserved.

//

#import

intmain(intargc,constchar* argv[]) {

@autoreleasepool{

// insert code here...

NSLog(@"Hello, World!");

/*

for (NSInteger i = 0; i <= 100; i ++) {

if (i % 7 != 0 && i/10 !=7 && i % 10 != 7) {

NSLog(@"既不是7的倍数，个位数也不是7：%ld",i);

}

}

for (NSInteger i = 10; i <= 30; i++) {

i = arc4random() % 21 + 10;

NSLog(@"随机数:%ld",i);

}

*/

/*第一小题

NSInteger num,i;

for (i=1; i <= 19; i++) {

num = i * (i+1);

NSLog(@"num=%ld",num);

}

*/

/*第二小题

NSInteger num1,i1,num2,i2;

for (i1 =1; i1 <= 100; i1++) {

NSLog(@"%ld %ld",i1,num1);

num1 += i1;

}*/

/*NSInteger num,i;

for (i = 1; i <= 97; i+2) {

i += 2;

num += i;

NSLog(@"%ld %ld",i,num);

}*/

/*

NSInteger num,i;

for (i = 0; i <= 98; i+2) {

i += 2;

num += i;

NSLog(@"%ld %ld",i,num);

}*/

//第三小题：随机产生20个[10 , 100]的正整数，输出这些数以及他们中的最大数。

NSInteger i,j;

//NSInteger max = 10;

//NSInteger min = 100;

/*

for (i = 10; i <= 100; i++) {

i = arc4random();

NSLog(@"%ld",i);

}*/

}

}

return0;

}