1.
#include <stdio.h>
int main()
{
int star, row1, row2, blank;
for(row1=7;row1>0;row1--) {
for(star=0;star+row1>0;star--) {
printf("*");
}
for(blank=0;blank<-2*row1+15;blank++) {
printf(" ");
}
for(star=0;star+row1>0;star--) {
printf("*");
}
printf("\n");
}
for(row2=0;row2<6;row2++) {
for(star=0;star<row2+2;star++) {
printf("*");
}
for(blank=0;blank<-2*row2+11;blank++) {
printf(" ");
}
for(star=0;star<row2+2;star++) {
printf("*");
}
printf("\n");
}
return 0;
}
//맨 첫 줄이랑 맨 마지막 줄 * 13개 만드는 건 알 거 같으면서도 모르겠네요ㅜㅜ
2.
#include <stdio.h>
int main()
{
int star,blank,row;
//part 1
printf(" *\n");
//part2
for(row=1;row<=4;row++)
{
for(blank=1;blank+row<=10;blank++) printf(" ");
printf("**");
for(blank=1;blank<=2*row-1;blank++) printf(" ");
printf("**\n");
if(row==4) {
for(blank=1;blank<=7;blank++) printf("*");
for(blank=1;blank<=2*row+1;blank++) printf(" ");
for(blank=1;blank<=7;blank++)
{
printf("*");
if(blank==7) printf("\n");
}
}
}
//part3
for(row=1;row<=3;row++)
{
for(blank=1;blank<=2*row-1;blank++) printf(" ");
printf("**");
for(blank=1;blank<=21-4*row;blank++) printf(" ");
printf("**\n");
}
//part4
for(row=1;row<=2;row++)
{
for(blank=1;blank<=-2*row+5;blank++) printf(" ");
printf("**");
for(blank=1;blank<=9+4*row;blank++) printf(" ");
printf("**\n");
}
//part5
for(row=4;row>=1;row--)
{
if(row==4)
{
for(star=1;star<=7;star++) printf("*");
for(blank=1;blank<=2*row+1;blank++) printf(" ");
for(star=1;star<=7;star++) {
printf("*");
if(star==7) printf("\n");
}
}
for(blank=1;blank+row<=10;blank++) printf(" ");
printf("**");
for(blank=1;blank<=2*row-1;blank++) printf(" ");
printf("**\n");
}
//part6
printf(" *\n\n");
return 0;
}
//아 레알 조잡한거 같아여...ㅠㅠ
//쉽게 짤수 없을까여..ㅠㅠ
3.
#include <stdio.h>
int main()
{
int front, back, result;
for(front=1;front<=9;front++) {
for(back=1;back<=9;back++) {
result=front*back;
printf("%dx%d=%d\n",front,back,result);
}
printf("\n");
}
return 0;
}
4.
#include <stdio.h>
int main()
{
int a=1;
printf("%d\n",a);
a++;
while(a<30)
{
if(a%10==3 || a%10==6 || a%10==9)
{
printf("CLAP!\n");
a++;
} else {
printf("%d\n",a);
a++;
}
}
return 0;
}
1.
#include <stdio.h>
int main()
{
int i,j,k;
for(i=0;i<=6;i++){
if (i==0){
for(j=1;j<=13;j++) printf("*");
printf("\n");
}
else{
for(j=1;j<=7-i;j++) printf("*");
for(k=1;k<=2*i-1;k++,j++) printf(" ");
for(;j<=13;j++) printf("*");
printf("\n");
}
}
for(i=5;i>=0;i--){
if (i==0) {
for(j=1;j<=13;j++) printf("*");
printf("\n");
}
else{
for(j=1;j<=(13-(2*i-1))/2;j++) printf("*");
for(k=1;k<=2*i-1;k++,j++) printf(" ");
for(;j<=13;j++) printf("*");
printf("\n");
}
}
return 0;
}
2.
#include <stdio.h>
int main()
{
int r,s,b;
r=1;
while(r<=5){
if(r==1){
for(b=1;b<=11;b++) printf(" ");
printf("*\n");
}
else if(r<=4){
for(b=1;b<=11-r;b++) printf(" ");
for(s=1;s<=2;s++) printf("*");
for(b=1;b<=2*r-3;b++) printf(" ");
for(s=1;s<=2;s++) printf("*");
printf("\n");
}
else{
for(s=1;s<=8;s++) printf("*");
for(b=1;b<=7;b++,s++) printf(" ");
for(;s<=23;s++) printf("*");
printf("\n");
}
r++;
}
r=1;
while(r<=3){
for(b=1;b<=2*r-1;b++) printf(" ");
for(s=1;s<=2;s++) printf("*");
for(b=1;b<=17-4*(r-1);b++) printf(" ");
for(s=1;s<=2;s++) printf("*");
printf("\n");
r++;
}
r=1;
while(r<=3){
if(r<=2){
for(b=1;b<=4-(2*r-1);b++) printf(" ");
for(s=1;s<=2;s++) printf("*");
for(b=1;b<=13+4*(r-1);b++) printf(" ");
for(s=1;s<=2;s++) printf("*");
printf("\n");
}
else{
for(s=1;s<=8;s++) printf("*");
for(b=1;b<=7;b++,s++) printf(" ");
for(;s<=23;s++) printf("*");
printf("\n");
}
r++;
}
r=1;
while(r<=4){
if(r==4){
for(b=1;b<=11;b++) printf(" ");
printf("*\n");
}
else{
for(b=1;b<=6+r;b++) printf(" ");
for(s=1;s<=2;s++,b++) printf("*");
for(;b<=15-r;b++) printf(" ");
for(s=1;s<=2;s++) printf("*");
printf("\n");
}
r++;
}
return 0;
}
3.
#include <stdio.h>
int main()
{
int n,m;
for(n=2;n<=9;n++){
for(m=1;m<=9;m++) printf("%d x %d = %d\n", n, m, (n*m));
printf("\n");
}
return 0;
}
4.
#include <stdio.h>
int main()
{
int r;
r=1;
while(r<=29){
if((r%10)%3==0){
if(r%10!=0) printf("¦\n");//한글로 "짝"이라 썼는데 제눈에만 이상하게 보이는건지 모르겠습니다...복사해도 저데론데 실행하면 제데로 나옵니다(?)
else printf("%d\n", r);
}
else printf("%d\n",r);
r++;
}
return 0;
}
//30미만이라 짧게 끝난듯...
-ㅇㅇ 내가 원래 4번은 30미만까지만 하라고 할려 했는데 안적었나보네 ㅋㅋ-
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