Example: Floyd Triangle in C using For loop of Numbers

C
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// Floyd Triangle in C using For loop of Numbers
#include <stdio.h>

int main() {
    int r, i, j, n = 1;
    // r - To store the number of rows

    printf("-----Kindly enter the number of rows to print Floyd's triangle number pattern-----\n");
    scanf("%d", &r);

    printf("\n-----This is Floyd's triangle number pattern-----\n\n");
    for (i = 1; i <= r; i++) {
    	printf("\t");
        for (j = 1; j <= i; ++j) {
            printf("%d ", n);
            ++n;
        }
        printf("\n");
    }
    return 0;
}