Ejemplo027.c

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#include <stdio.h>
 
int main(int argc, char *argv[])
{
    int n, a, ai, b, m, c, mr, i;
    printf("n = ");
    scanf("%d", &n);
    printf("a = ");
    scanf("%d", &a);
    printf("b = ");
    scanf("%d", &b);
    for(i=0; i<n; i++)
        if(((a*i)%n)==1)
        {
            ai = i;
            printf("ai = %d\n", ai);
        }
    printf("m = ");
    scanf("%d", &m);
    c = (a*m+b)%n;
    printf("c = %d\n", c);
    if(c>=b)
        mr = c-b;
    else
        mr = n+c-b;
    mr = (ai*mr)%n;
    printf("m = %d\n", mr);
    return 0;
}