#include "iostream"
#include "math.h"
#include "iomanip"
/*
*/
using namespace std;
int main()
{
long N;
cin>>N;
if(N>0)
{
cout<<"positive"<
#include "iostream"
#include "math.h"
#include "iomanip"
/*
*/
using namespace std;
int main()
{
float N;
cin>>N;
if(N>=0)
{
cout<
#include "iostream"
#include "math.h"
#include "iomanip"
/*
*/
using namespace std;
int main()
{
unsigned int N;
cin>>N;
if(N%2==0)
{
cout<<"even";
}else{
cout<<"odd";
}
return 0;
}
#include "iostream"
#include "math.h"
#include "iomanip"
/*
*/
using namespace std;
int main()
{
char N;
N=getchar();//不能cin,否则没有考虑到空格
if((N+0)%2==0)
{
cout<<"NO";
}else{
cout<<"YES";
}
return 0;
}
#include "iostream"
#include "math.h"
#include "iomanip"
/*
对于无符号数,根据占用的位数可以直接计算:
unsigned short 16位 0~2的16次方-1(即65535)
unsigned int 16位 0~2的16次方-1(即65535)
unsigned long 32位 0~2的32次方-1(即4294967295)
对于有符号数,由于0也占用一个位置,导致负数的边界值与正数的边界值不一样:
short 16位 - 2的(16-1)次方~2的(16-1)次方-1(即-32768~32767)
int 16位 - 2的(16-1)次方~2的(16-1)次方-1(即-32768~32767)
long 32位 - 2的(32-1)次方~2的(32-1)次方-1(即-2147483648~2147483647)
*/
using namespace std;
int main()
{
unsigned long x;
long y;
cin>>x>>y;
long long N=(long long)x-y;
if (N>0) {
cout<<">";
}else if(N==0)
cout<<"=";
else
cout<<"<";
return 0;
}
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
unsigned short x;
cin>>x;
if (x>=10&&x<=99) {
cout<<"1";
}
else
cout<<"0";
return 0;
}
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
if(a>=10||b>=20)
cout<<"1";
else
cout<<"0";
return 0;
}
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
long num;
cin>>num;
if(num%3==0&&num%5==0)
cout<<"YES";
else
cout<<"NO";
return 0;
}
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
long num;
cin>>num;
int count=0;
if(num%3==0)
{
cout<<"3";
count++;
}
if(num%5==0)
{
if(count)
cout<<" ";
cout<<"5";
count++;
}
if(num%7==0)
{
if(count)
cout<<" ";
cout<<"7";
count++;
}
if(count==0)
cout<<"n";
return 0;
}
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
int math,english;
cin>>math>>english;
int count=0;
if(math<60)
count++;
if(english<60)
count++;
if(count==1)
cout<<"1";
else
cout<<"0";
return 0;
}
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
int N;
cin>>N;
switch (N) {
case 1:
cout<<"NO";
break;
case 3:
cout<<"NO";
break;
case 5:
cout<<"NO";
break;
default:
cout<<"YES";
}
return 0;
}
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
float N;
cin>>N;
// cout<<23+25+N/3.0;
if(23+27+N/3.0>N/1.2)
cout<<"Walk";
else if(23+27+N/3.0
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
float x,y;
cin>>x;
if(x>=0&&x<5)
y=-x+2.5;
else if(x>=5&&x<10)
y=2-1.5*(x-3)*(x-3);
else if(x>=10&&x<20)
y=x/2-1.5;
cout<
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
int weight;
char c;
int charge;
cin>>weight>>c;
if(weight<=1000)
charge=8;
else{
//ceil()向上取整,头文件math.h
charge=8+ceil(((double)weight-1000)/500)*4;
}
if(c=='y')
charge+=5;
cout<
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
int num[3];
cin>>num[0]>>num[1]>>num[2];
int max=num[0];
for(int i=0;i<3;i++)
{
if(max
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
int a,b,c;
cin>>a>>b>>c;
if((a+b)>c&&(a+c)>b&&(b+c)>a)
cout<<"yes";
else
cout<<"no";
}
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
int num;
cin>>num;
if(num%4!=0||((num%100==0)&&(num%400!=0))||(num%3200==0))
{
cout<<"N";
}else{
cout<<"Y";
}
}
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
int main()
{
int x,y;
cin>>x>>y;
if(x>=-1&&x<=1&&y>=-1&&y<=1)
cout<<"yes";
else
cout<<"no";
return 0;
}
#include "iostream"
using namespace std;
/*
RuntimeError常见出错的原因可能有以下几种:
1、数组开得太小了,导致访问到了不该访问的内存区域
2、发生除零错误
3、大数组定义在函数内,导致程序栈区耗尽
4、指针用错了,导致访问到不该访问的内存区域
5、还有可能是程序抛出了未接收的异常
*/
int main()
{
int x,y;
char c;
cin>>x>>y>>c;
if(c=='/'&&y==0)
{
cout<<"Divided by zero!";
return 0;//return 1NOI会runtime error,但是实际上我觉得没有问题
}
if(c!='/'&&c!='+'&&c!='-'&&c!='*')
{
cout<<"Invalid operator!";
return 0;
}
switch (c) {
case '+':
cout<
#include "iostream"
#include "math.h"
#include "iomanip"
using namespace std;
/*
sqrt函数有三种形式
double sqrt(double x);
float sqrtf(float x);
long double sqrtl(long double x);
三种形式的区别只是参数和返回值的精度不同,float精度最低,double较高,long double精度最高
*/
int main()
{
float a,b,c;
cin>>a>>b>>c;
/*cout<4*a*c)
cout<
#include "iostream"
#include "math.h"
using namespace std;
int main()
{
int n,x,y;
cin>>n>>x>>y;
if(y>=0)
{
if(y<=n*x)//考虑虫子待的时间很长的情况
cout<