Example: Draw a Rectangle in C language using For loop

C
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// Draw a Rectangle in C language using For loop
#include <stdio.h>

int main() {
    int r = 0, c = 0, i, j;
    // r - To store the number of rows
    // c - To store the number of columns

    printf("-----Enter the number of rows & columns-----\n");
    scanf("%d%d", &r, &c);

    for (i = 1; i <= r; i++) {
        for (j = 1; j <= c; j++) {
            if (i == 1 || i == r || j == 1 || j == c)
                printf("* ");
            else
                printf("  ");
        }
        printf("\n");
    }
    return 0;
}