C – Basic Patterns

int main (){
            int i, j;
            for (i=1 ; i<=5 ; i++){
                        for (j=1 ; j<=5 ; j++){
                                    printf(“%d”, i);
                        }
                        printf(“\n”);
            }
    return 0;
}
11111
22222
33333
44444
55555
int main (){
            int i, j;
            for (i=1 ; i<=5 ; i++){
                        for (j=1 ; j<=5 ; j++){
                                    printf(“%d”, j);
                        }
                        printf(“\n”);
            }
    return 0;
}
12345
12345
12345
12345
12345
int main (){
            int i, j;
            for (i=1 ; i<=5 ; i++){
                        for (j=1 ; j<=5 ; j++){
                                    printf(“%d”, i%2);
                        }
                        printf(“\n”);
            }
    return 0;
}
11111
00000
11111
00000
11111
int main (){
            int i, j;
            for (i=1 ; i<=5 ; i++){
                        for (j=1 ; j<=5 ; j++){
                                    printf(“%d”, j%2);
                        }
                        printf(“\n”);
            }
    return 0;
}
10101
10101
10101
10101
10101
int main (){
            int i, j;
            for (i=5 ; i>=1 ; i–){
                        for (j=5 ; j>=1 ; j–){
                                    printf(“%d”, i);
                        }
                        printf(“\n”);
            }
    return 0;
}
55555
44444
33333
22222
11111
int main (){
            int i, j;
            for (i=5 ; i>=1 ; i–){
                        for (j=5 ; j>=1 ; j–){
                                    printf(“%d”, j);
                        }
                        printf(“\n”);
            }
    return 0;
}
54321
54321
54321
54321
54321
int main (){
            char x, y;
            for (x=’A’ ;  x<=’E’ ; x++){
                        for (y=’A’ ; y<=’E’ ; y++){
                                    printf(“%c”, x);
                        }
                        printf(“\n”);
            }
    return 0;
}
AAAAA
BBBBB
CCCCC
DDDDD
EEEEE
#include<stdio.h>
int main (){
            char x, y;
            for (x=’A’ ;  x<=’E’ ; x++){
                        for (y=’A’ ; y<=’E’ ; y++){
                                    printf(“%c”, y);
                        }
                        printf(“\n”);
            }
    return 0;
}
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
#include<stdio.h>
int main (){
            int i, j;
            for (i=1 ; i<=5 ; i++){
                        for (j=1 ; j<=5 ; j++){
                                    printf(“*”);
                        }
                        printf(“\n”);
            }
    return 0;
}
*****
*****
*****
*****
*****
#include<stdio.h>
int main (){
            int i, j;
            for (i=1 ; i<=5 ; i++){
                        for (j=1 ; j<=5 ; j++){
                                    if(i%2==0)
                                                printf(“*”);
                                    else
                                                printf(“#”);
                        }
                        printf(“\n”);
            }
    return 0;
}
*****
#####
*****
#####
*****
#include<stdio.h>
int main (){
            int i, j;
            for (i=1 ; i<=5 ; i++){
                        for (j=1 ; j<=5 ; j++){
                                    if(j%2==0)
                                                printf(“*”);
                                    else
                                                printf(“#”);
                        }
                        printf(“\n”);
            }
    return 0;
}
#*#*#
#*#*#
#*#*#
#*#*#
#*#*#
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