DN4

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
//1/(1*3)+1/(2*5)+1/(3*7)+...+1/(m*(2*m+1))
float vsota(int vrednost);
int main() {
    int m;
    float rez;
    printf("Unesite vrednost m: ");
    scanf("%d",&m);
    rez = vsota(m);
    printf("Vrednost: %f\n",rez);
    system("PAUSE");
    return 0;
}
float vsota(int vrednost){
    int i;
    float resenje=0.0;
    float suma;
    for(i = 1;i<=vrednost;i++){
        suma = 1.0/(i*(2.0*i+1.0));
        resenje += suma;
    }
    return resenje;
}