summory of for loop’s shapes

#include <stdio.h>
#include <stdlib.h>
int main(){
int i,j,k;

for(i=5; i>=1; i–){
for(k=i-1; k>=1; k–)
printf(” “);
for(j=i; j<=5; j++){
printf(“%d”,j);}
printf(“\n”);}
for(i=1; i<=5; i++){
for(j=1; j<=i; j++){
printf(“%d”,j);}
printf(“\n”);}

for(i=5; i>=1; i–){
for(j=1; j<=i; j++){
printf(“%d”,j);}
printf(“\n”);}

for(i=5; i>=1; i–){
for(k=i; k<5; k++){
printf(” “);}
for(j=1; j<=i; j++){
printf(“%d”,j);}
printf(“\n”);}

system(“pause”);
return(0);}

 

result of pragram=

5
45
345
2345
12345
1
12
123
1234
12345
12345
1234
123
12
1
12345
1234
123
12
1
Press any key to continue . . .