#pragma warning(disable:4996)
¼öÇÐ
4352233244

1¹ø
#include <stdio.h>

int voice_data;
int text_data;

int voice_charge();
int text_charge();

void main(){
	int v_charge, t_charge, sum, tax, charge;
	int extra_text;
	printf("À½¼º ÅëÈ­½Ã°£Àº(ºÐ)? ");
	scanf("%d",&voice_data);
	printf("¹®ÀÚ Àü¼Û °Ç¼ö´Â? ");
	scanf("%d",&text_data);	

	printf("\nÈÞ´ëÆù »ç¿ë ¿ä±Ý û±¸¼­\n");
	printf("===========================\n");
	printf("À½¼º ÅëÈ­ ½Ã°£ %dºÐ\n", voice_data);
	printf("¹®ÀÚ Àü¼Û °Ç¼ö %dºÐ\n", text_data);
	printf("---------------------------\n");


	v_charge=voice_charge(voice_data);
	t_charge=text_charge(text_data);
	sum= 10000 + v_charge + t_charge;
	tax = sum*(0.1);
	charge= sum+tax;

	if(text_data>20) extra_text=(text_data-20);

	printf("±âº»¿ä±Ý %20d¿ø \n", 10000);
	printf("À½¼ºÅëÈ­·á %3dºÐ %12d¿ø \n",voice_data,v_charge);
	printf("¹®ÀÚ Àü¼Û·á ÃÊ°ú %d°Ç  %6d¿ø \n",extra_text, t_charge);
	printf("---------------------------\n");
	printf("ÇÕ°è\t\t %d¿ø \n", sum);
	printf("ºÎ°¡¼¼<10%%>%12d¿ø\n", tax);
	printf("===========================\n");
	printf("À̹ø ´Þ ¿ä±Ý %9d¿ø\n", charge);
} 
int voice_charge(int voice){

	int value=0;
	if(voice<100){
		value=voice*100;
	}
	else
	{
		value=((voice-100)*80)+10000;
	}
	return value;
}
int text_charge(int text){
	int value=0;
	if(text>20)
		value=20*(text-20);
	return value;
}


2¹ø
#include<stdio.h>
#include<stdlib.h>
#include<malloc.h>
int * stackarr;
int index =0;
int maxnum;

void stack(int num);
void push(int val);
int pop();

void main(void){
	stack(10);
	int v = 0;
	printf("-> ½ºÅÃÀ¸·Î push Çϱâ\n");
	for(int i=0; i<5; i++){
		scanf("%d",&v);
		push(v);
		getchar();
	}
	printf("-> ½ºÅÿ¡¼­ pop Çϱâ\n");
	int idx = index;
	for(int i=0; i<idx; i++){
		printf("%d\n",pop());
	}
	free(stackarr);

}

void stack(int num){
	stackarr = (int *)malloc(num*sizeof(int));
	index = 0;
	maxnum = num;
}
void push(int val)
{
	if(index < maxnum)
		stackarr[index++] = val;
}
int pop()
{
	int val =0;
	if(index > 0)
		val  = stackarr[--index];
	return val;
}
3¹ø
#include<stdio.h> 
#include<conio.h>
int main(void) 
{ 
	int arr[12]; 
	int index=0; 
	int min=0; 

	for(int i=0;i<12;i++) 
	{ 
		scanf("%d",&arr[i]); 			
	} 

	for(int i=0;i<12;i++) 
	{ 
		min = i; 
		for(int j=i; j<12;j++) 
		{ 
			if(arr[min] > arr[j]) 
			{ 
				min = j; 
			} 
		} 
		int temp = arr[min]; 
		arr[min] = arr[i]; 
		arr[i] = temp; 
	} 
	for(int i=0;i<12;i++) 
		printf("%d ",arr[i]); 
} 
4¹ø
#include<stdio.h>
#include<time.h>

void main(void)
{

	int student[10][10]; 
	int answer[10]={0,0,0,0,0,0,0,0,0,0};	
	int i,j;
	int sum;

	for(i=0; i<10; i++){
		for(j=0; j<10; j++){
			student[i][j] = 0;}
	}

	student[0][9]=student[1][1]=student[1][3]=student[2][0]=student[3][3]=student[3][5]=student[3][7]=
		student[4][7]=student[4][9]=student[5][1]=student[5][3]=student[5][5]=student[5][7]=student[5][9]=
		student[7][4]=student[8][0]=student[8][2]=student[8][4]=student[8][6]=
		student[9][0]=student[9][1]=student[9][2]=student[9][3]=student[9][5]=student[9][6]=1;

	printf("          ¡á ¹®Ç׺° äÁ¡ °á°ú ¡á\n");
	printf("===========================================================================\n");
	printf(" ¹®Ç×     0     1     2     3     4     5     6     7     8     9     Á¡¼ö\n");
	printf("===========================================================================\n");   

	for(i=0; i<10;i++){
		int sum=0;
		printf("%3d¹ø", i+1);
		for(j=0; j<10; j++){
			if(student[i][j]==answer[i]){
			sum += 1;
			printf("    ¡Û");}
			else
				printf("    ¥¹");
		}

		printf("%8dÁ¡\n", sum);
	}
}