void merge(char* nomeArq1, char* nomeArq2, char* nomeArqMerge){
    FILE *arq1, *arq2, *arq3;

    arq1 = fopen(nomeArq1, "r");
    arq2 = fopen(nomeArq2, "r");
    arq3 = fopen(nomeArqMerge, "w");

    if(!arq1 || !arq2){
        fclose(arq1); fclose(arq2); fclose(arq3);
        exit(1);
    }
    int n1, n2;
    fscanf(arq1, " %d", &n1);
    fscanf(arq2, " %d", &n2);

    while(!feof(arq1) && !feof(arq2)){
        if(n1>n2){
            fprintf(arq3, "%d\n", n2);
            fscanf(arq2, " %d",&n2);
        }
        else if(n2>n1){
            fprintf(arq3, "%d\n", n1);
            fscanf(arq1, " %d",&n1);
        }
        else{
            fprintf(arq3, "%d\n", n1);
            fscanf(arq1, " %d",&n1);
            fscanf(arq2, " %d",&n2);
        }
    }
    while(!feof(arq1)){
        //fprintf(arq3, "%d\n", n1);
        fscanf(arq1, " %d",&n1);
        fprintf(arq3, "%d\n", n1);
    }
    while(!feof(arq2)){
        //fprintf(arq3, "%d\n", n2);
        fscanf(arq2, " %d",&n2);
        fprintf(arq3, "%d\n", n2);
    }

    fclose(arq1);
    fclose(arq2);
    fclose(arq3);
}