IPhone开发值OC基础语法复习

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
       
        //for循环打印 1-200内不能被3整除的数
        printf("这些数不能被3整除: \n");
        for(int i=1; i<=200; i++){
            if( i% 3 != 0){
                printf(" %d " , i);
            }
        }
    }
    return 0;
}

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
  //用for 循环打印 乘法口诀表
        for(int i=1; i<=9; i++){
            for (int j=1 ; j <=i ; j++){
                  printf(" %d * %d = %d", i , j , i*j);
            }
            printf("\n");
        }
        
    }
    return 0;
}