不认真的博客

 羞耻的想法

 4

#include<cstdio>
#include<iostream>
#include<stack>
#include<queue>
#define N 20
#define HO printf(\"\\n\");system(\"pause\");
using namespace std;
int main()
{
	int StringToNum(char * str);
	int isC(char *str);
	int isNum(char *str);
	queue<double> numque;
	stack<char> signstk;
	char input[N][N];
	int inputlen=0;
	for (int i = 0; i < N; i++)
	{
		cin >> *(input+i);
		if (getchar() == \'\\n\')
		{
			inputlen = i+1;
			break;
		}
	}
	for (int i = 0; i < inputlen; i++)
	{
		if (isC(*(input+i)))
		{signstk.push(*(*(input+i)+0));}
		else if (isNum(*(input+i)))
		{numque.push(StringToNum(*(input+i)));}
	}
	double ans=0;
	ans = numque.front();
	while (signstk.size())
	{
		numque.pop();
		if (signstk.top() == \'+\')
		{ans += numque.front();}
		else if (signstk.top() == \'-\')
		{ans -= numque.front();}
		else if (signstk.top() == \'*\')
		{ans *= numque.front();}
		else if (signstk.top() == \'/\')
		{ans /= numque.front();}
		signstk.pop();
	}
	printf(\"%.3lf\", ans);
	HO
	return 0;
}
int StringToNum(char *str)
{
	int len = strlen(str);
	int num = 0,j=0;
	for (int i = len - 1; i != -1 && *(str+i) != \'-\'; i--,j++)
	{
		num += ((*(str+i) - 48)*pow(10, j));
	}
	if (*str == \'-\')	return num*-1;
	else    return num;
}
int isC(char *str)
{
	if( ( (*str==\'+\')|| (*str == \'-\')|| (*str == \'*\')|| (*str == \'/\')) && (strlen(str) == 1))	return 1;
	else return 0;
}
int isNum(char *str)
{
	if ((*(str+1) > 47 && *(str+1) < 58) || (*str > 47 && *str < 58)){if (*str == \'-\')	return -1;else    return 1;}
	else    return 0;
}

５

#include<stdio.h>
#include<iostream>
#define LEN 60 
#define HE 3
#define DT 4
int dignum[10][9] ={{ 0,1,0,1,0,1,1,1,1 },{ 0,0,0,0,0,1,0,0,1 },{ 0,1,0,0,1,1,1,1,0 },{ 0,1,0,0,1,1,0,1,1 },{ 0,0,0,1,1,1,0,0,1 },{ 0,1,0,1,1,0,0,1,1 },{ 0,1,0,1,1,0,1,1,1 },{ 0,1,0,0,0,1,0,0,1 },{ 0,1,0,1,1,1,1,1,1 },{ 0,1,0,1,1,1,0,1,1 }};

char dig[] = {\' \',\'_\',\' \',\'|\',\'_\',\'|\',\'|\',\'_\',\'|\'};
int dt = 0, ind = 0;
char paper[HE][LEN];
char input[15];
int main()
{
	void draw(int num);
	//std::cin >> input;
	scanf(\"%s\",input);	 //emmmmmmÈç¹ûÄãÊÇVS¾Í°ÑÕâÐÐ×¢Ê͵ô°É²¢²»ÊÇscanf_sµÄÎÊÌâ 
	for (int i = 0; input[i]!=\'\\0\'; i++)
		draw(input[i] - 48);
	for (int i = 0; i < HE; i++)
	{
		for (int j = 0; j < LEN; j++)
		{
			printf(\"%c\",paper[i][j]);
		}
		printf(\"\\n\");
	}
	printf(\"\\n\");
	system(\"pause\");
	return 0;
}
void draw(int num)
{
		for (int i = 0; i < HE; i++)
		{
			for (int j = 0+dt; j < 3 + dt; j++)
			{
				if (dignum[num][ind])	paper[i][j] = dig[ind];
				else	paper[i][j] = \' \';
				ind++;
			}
		}
		ind = 0;
		dt += DT;
}

6

#include<stdio.h>
#include<stdlib.h>
#define SIZE 5001
#define HO printf(\"\\n\");system(\"pause\");
int check[SIZE] = { 0 };
int primelist[SIZE] = { 0 };
int pos = 0,sum=0;
int main() 
{
	void print(int *arr,int len);						//void print(int *arr,int len)
	bool cry(int num);									//{
	bool piu(int num);									//	printf(\"%d \",*(arr+i));
	bool eve(int num);									//}
	bool yes();											//printf(\"\\n\");
	for (int i = 2; i < SIZE; ++i)					//}
	{
		if (!check[i])	primelist[pos++] = i;
		for (int j = 0; j < pos&&i*primelist[j] < SIZE; j++)	check[i*primelist[j]] = 1;
	}
	yes();									//print(primelist,pos);
	HO
	return 0;
}
bool yes()
{
	bool eve(int num);
	bool cry(int num);
	for(int i=0;i<pos;i++)	if((eve(*(primelist+i)))&&cry(sum))	printf(\"%d \",*(primelist+i));
}
bool eve(int num)
{
	bool piu(int num);int len=0,ha=0;int sad=num;
	do
	{
		sum+=num%10;
		if(piu(num%10))	ha++;
		len++;
		num/=10;
	}while(num);
	return (ha==len)?1:0;
}
bool piu(int num)
{
	return ((num == 2)||(num==3)||(num==5)||(num ==7))?1:0; 
}
bool cry(int num)
{
	for(int i=0;i<32;i++)	if(*(primelist+i) == num)	return 1;
}

这样就增加了博客点击量是吗(真可耻！)