#include<stdio.h>

int main()

{

int a,b;

while(1)

{

scanf("%d",&a);

if(getchar()=='q')

{

printf("종료");

return 0;

}

// fflush(stdin);

scanf("%d",&b);

printf("%d %d\n",a,b);

}

return 0;

}

#include<stdio.h>

#include<math.h>

int main()

{

FILE *in;

FILE *out;

int ant_max,ant_min;

int table;

int size,ant;

int j,i;

int arr[1000]={0,}; //위치저장

int p; //개미들 위치입력

int min,c_min; //짧은시간, 중간

int temp1,temp2,temp3;

int t4,t5;

int center;

in=fopen("in.txt","r");

out=fopen("out.txt","w");

fscanf(in,"%d",&table);

for(i=0;i<table;++i)

{

while(!feof(in))

{

fscanf(in,"%d %d", &size,&ant);

printf("%d %d\n",size,ant);

center=size/2;

printf("중앙 %d\n",center);

c_min=size;

min=size;

for(j=0;j<ant;j++)

{

t4=t5=temp1=temp2=temp3=0; //초기화

fscanf(in,"%d",&p);

arr[j]=p;

printf("%d\n",arr[j]);

//////////////////////////////////

//작은개미 위치

temp1=arr[j]; //0<-개미거리

temp2=size-arr[j]; //반대쪽 거리

if(temp1<temp2)

temp3=temp1;

else

temp3=temp2;

if(min>temp3)

min=temp3; //작은개미 위치

///////////////////////////////////

//중간개미 위치

temp1=abs(center-arr[j]); //중간거리 비교

if(c_min>temp1) //가까운에 저장

c_min=temp1;

}

//짧은시간 = 길이 - 중간개미

//긴시간   = 길이 - 작은개미

printf("%d %d\n",center-c_min,size-min);

fprintf(out,"%d %d\n",center-c_min,size-min);

}

}

fclose(in);

fclose(out);

}

#include<stdio.h>

int m_day[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};

char *week[7]={"일","월","화","수","목","금","토"};

int main()

{

int year,month,day;

int total;

int Ly;

int start[13];//각달 요일번호

int all_day[13][45]={0,};

int num1,num2,num3; //각출력 넘버

int num=1; //저장넘버

int s=1;//출력달번호

year=2012;

month=12;

//윤달 확인

if( (year%4==0) && ((year%400==0) || (year%100!=0)) )

m_day[2]=29;

else

m_day[2]=28;

//요일 계산

Ly=year-1;

total=(Ly+(Ly/4)-(Ly/100)+(Ly/400)+1);    //최근 +  -  +  +1

start[1]=total%7;

for(int i=1;i<12;i++)

{

total=total+m_day[i];

start[i+1]=total%7;

}

for(int m=1;m<13;m++)

{

printf("%d월\n",m);

printf("일월화수목금토\n");

num=1;

for(int i=1;i<=42;++i)

{

if(i<=start[m]) //공백2개다

printf("  ");

else

{

all_day[m][i]=num++;

printf("%2d",all_day[m][i]);

}

if(i%7==0 && i!=1)

{

printf("\n");

}

//마지막 찍히면 브래이크

if(num>m_day[m])

break;

}

printf("\n");

}

for(int i=0;i<4;i++)

{

printf("%d월\t\t\t%d월\t\t\t%d월\n",s,s+1,s+2);

printf("일월화수목금토\t\t일월화수목금토\t\t일월화수목금토\n");

num1=num2=num3=1;

for(int x=1;x<7;++x)

{

for(int j=1;j<8;++j)

{

if(all_day[s][num1]==0)

printf("  "); //공백 두개다

else

printf("%2d",all_day[s][num1]);

num1++;

}

printf("\t\t");

for(int j=1;j<8;++j)

{

if(all_day[s+1][num2]==0)

printf("  ");

else

printf("%2d",all_day[s+1][num2]);

num2++;

}

printf("\t\t");

for(int j=1;j<8;++j)

{

if(all_day[s+2][num3]==0)

printf("  ");

else

printf("%2d",all_day[s+2][num3]);

num3++;

}

printf("\n");

}

s+=3;

}

return 0;

}

#include<iostream>

using namespace std;

class Calculator

{

private:

float sum;

int add_num;

int min_num;

int div_num;

int mul_num;

public:

void Init()

{

sum=0;

add_num=0;

min_num=0;

div_num=0;

mul_num=0;

}

float Add(float s1,float s2)

{

add_num++;

sum=s1+s2;

return sum;

}

float Min(float s1,float s2)

{

min_num++;

sum=s1-s2;

return sum;

}

float Div(float s1,float s2)

{

div_num++;

sum=s1/s2;

return sum;

}

float mul(float s1,float s2)

{

mul_num++;

sum=s1*s2;

return sum;

}

void ShowOpCount()

{

cout<<"덧셈 :"<<add_num<<" 뺼셈 : "<<min_num<<" 나눗셈 : "<<div_num<<" 곱셈 : "<<mul_num<<endl;

}

};

int main(void)

{

Calculator cal;

cal.Init();

cout<<"3+5="<<cal.Add(3,5)<<endl;

cout<<"3/5="<<cal.Div(3,5)<<endl;

cout<<"12*4="<<cal.Min(12,4)<<endl;

cout<<"12/4="<<cal.Div(12,4)<<endl;

cal.ShowOpCount();

return 0;

}

#include<iostream>

#include<string>

using namespace std;

class Printer{

private:

char str[100];

public:

void SetString(char *string);

void ShowString();

};

void Printer::SetString(char *string)

{

strcpy(str,string);

}

void Printer::ShowString()

{

cout<<str<<endl;

}

int main()

{

Printer pnt;

pnt.SetString("Hello world!");

     pnt.ShowString();

     pnt.SetString("I love C++");

     pnt.ShowString();

     return 0;

return 0;

}

사람들이 배틀로얄을 하게 된다

인터넷으로 하는 가상현실게임

상대가 누구인지 모르게 아바타를 설정한 뒤 한다

반전 사실 가상현실이 아니고 진짜 였음

#include<iostream>

using namespace std;

int main(void)

{

int *val = new int;

int *arr = new int[10];

*val=10;

cout<<*val<<endl;

arr[0]=100;

cout<<arr[0]<<endl;

delete val;

delete []arr;

return 0;

}

/* 

 * 윤성우 1장 OOP 단계별 프로젝트

 */

#include <iostream>

#include <cstring>

using namespace std;

const int NAME_LEN=20;

void ShowMenu(void);       // 메뉴출력

void MakeAccount(void);    // 계좌개설을 위한 함수

void DepositMoney(void);       // 입    금

void WithdrawMoney(void);      // 출    금

void ShowAllAccInfo(void);     // 잔액조회

enum {MAKE=1, DEPOSIT, WITHDRAW, INQUIRE, EXIT};

typedef struct 

{

int accID;      // 계좌번호

int balance;    // 잔    액

char cusName[NAME_LEN];   // 고객이름

} Account;

Account accArr[100];   // Account 저장을 위한 배열

int accNum=0;        // 저장된 Account 수

int main(void)

{

int choice;

while(1)

{

ShowMenu();

cout<<"선택: "; 

cin>>choice;

cout<<endl;

switch(choice)

{

case MAKE:

MakeAccount(); 

break;

case DEPOSIT:

DepositMoney(); 

break;

case WITHDRAW: 

WithdrawMoney(); 

break;

case INQUIRE:

ShowAllAccInfo(); 

break;

case EXIT:

return 0;

default:

cout<<"Illegal selection.."<<endl;

}

}

return 0;

}

void ShowMenu(void)

{

cout<<"-----Menu------"<<endl;

cout<<"1. 계좌개설"<<endl;

cout<<"2. 입    금"<<endl;

cout<<"3. 출    금"<<endl;

cout<<"4. 계좌정보 전체 출력"<<endl;

cout<<"5. 프로그램 종료"<<endl;

}

void MakeAccount(void) 

{

int id;

char name[NAME_LEN];

int balance;

cout<<"[계좌개설]"<<endl;

cout<<"계좌ID: "; cin>>id;

cout<<"이  름: "; cin>>name;

cout<<"입금액: "; cin>>balance;

cout<<endl;

accArr[accNum].accID=id;

accArr[accNum].balance=balance;

strcpy(accArr[accNum].cusName, name);

accNum++;

}

void DepositMoney(void)

{

int money;

int id;

cout<<"[입    금]"<<endl;

cout<<"계좌ID: "; cin>>id;

cout<<"입금액: "; cin>>money;

for(int i=0; i<accNum; i++)

{

if(accArr[i].accID==id)

{

accArr[i].balance+=money;

cout<<"입금완료"<<endl<<endl;

return;

}

}

cout<<"유효하지 않은 ID 입니다."<<endl<<endl;

}

void WithdrawMoney(void)

{

int money;

int id;

cout<<"[출    금]"<<endl;

cout<<"계좌ID: "; cin>>id;

cout<<"출금액: "; cin>>money;

for(int i=0; i<accNum; i++)

{

if(accArr[i].accID==id)

{

if(accArr[i].balance<money)

{

cout<<"잔액부족"<<endl<<endl;

return;

}

accArr[i].balance-=money;

cout<<"출금완료"<<endl<<endl;

return;

}

}

cout<<"유효하지 않은 ID 입니다."<<endl<<endl;

}

void ShowAllAccInfo(void)

{

for(int i=0; i<accNum; i++)

{

cout<<"계좌ID: "<<accArr[i].accID<<endl;

cout<<"이  름: "<<accArr[i].cusName<<endl;

cout<<"잔  액: "<<accArr[i].balance<<endl<<endl;

}

}

#include <iostream> // **iostream.h  <- 구버전

using namespace std; // std라는 이름공간에 선언되어 있는 모든 표준 C++라이브러리를 사용 (cin, cout, ... )

void main(void)

{

 cout << "Hello World!\n";

 return;

}

#include<stdio.h>

#include<stdlib.h>

typedef struct nood

{

int data;

struct nood *nood_link; //포인터

}*pdata,data;

int main()

{

pdata h,n1,n2;

h=n1=(pdata)malloc(sizeof(data));

n1->data=10;

n1->nood_link=NULL;

n2=(pdata)malloc(sizeof(data));

n2->data=10;

n2->nood_link=NULL;

n1->nood_link=n2;

}

#include<stdio.h>

#include<stdlib.h>

int main()

{

int num=1;

int **arr;

int h=6,w=10;

arr=(int**)malloc(sizeof(int*)*h);

arr[0]=(int*)malloc(sizeof(int)*h*w);

for(int i=1;i<h;++i)

{

arr[i]=arr[i-1]+w;

}

for(int i=0;i<h;++i)

{

for(int j=0;j<w;j++)

{

arr[i][j]=num++;

printf("%d ",arr[i][j]);

}

printf("\n");

}

free(arr[0]);

free(arr);

}

출처 : http://codeng.tistory.com/8