Odd Number Series

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#include<stdio.h> void series(int num); int main(void) { int n; printf("enter your number : "); scanf("%d", &n); printf("\n"); series(n); return 0; } void series(int num) { for(int i=1; i<=2*num; i+=2) { for(int j=1;j<=i;j+=2) { printf("%d+", j); } } printf("\n"); return ; }